{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52528", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-20T12:30:33.318Z", "datePublished": "2024-03-02T21:52:33.554Z", "dateUpdated": "2026-05-11T19:29:01.647Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:29:01.647Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg\n\nsyzbot reported the following uninit-value access issue:\n\n=====================================================\nBUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nBUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nCPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x21c/0x280 lib/dump_stack.c:118\n kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121\n __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\n smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\n usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737\n usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032\n usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241\n usb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554\n hub_port_connect drivers/usb/core/hub.c:5208 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]\n port_event drivers/usb/core/hub.c:5494 [inline]\n hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576\n process_one_work+0x1688/0x2140 kernel/workqueue.c:2269\n worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415\n kthread+0x551/0x590 kernel/kthread.c:292\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293\n\nLocal variable ----buf.i87@smsc75xx_bind created at:\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n\nThis issue is caused because usbnet_read_cmd() reads less bytes than requested\n(zero byte in the reproducer). In this case, 'buf' is not properly filled.\n\nThis patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads\nless bytes than requested."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/smsc75xx.c"], "versions": [{"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "3e0af6eec1789fd11934164a7f4dbcad979855a4", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "2a36d9e2995c8c3c3f179aab1215a69cff06cbed", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "310f1c92f65ad905b7e81fe14de82d979ebbd825", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "cda10784a176d7192f08ecb518f777a4e9575812", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "9ffc5018020fe646795a8dc1203224b8f776dc09", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "4931e80da9463b03bfe42be54a9a19f213b0f76d", "status": "affected", "versionType": "git"}, {"version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "e9c65989920f7c28775ec4e0c11b483910fb67b8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/smsc75xx.c"], "versions": [{"version": "2.6.34", "status": "affected"}, {"version": "0", "lessThan": "2.6.34", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.327", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.296", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.258", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.198", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.135", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.57", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.7", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": 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"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4"}, {"url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed"}, {"url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825"}, {"url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"}, {"url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812"}, {"url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09"}, {"url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d"}, {"url": "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8"}], "title": "net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:20.625Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d", "tags": ["x_transferred"]}, {"url": 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:20.625Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52528", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:56:40.232002Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:17.941Z"}}], "cna": {"title": "net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "3e0af6eec1789fd11934164a7f4dbcad979855a4", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "2a36d9e2995c8c3c3f179aab1215a69cff06cbed", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "310f1c92f65ad905b7e81fe14de82d979ebbd825", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "cda10784a176d7192f08ecb518f777a4e9575812", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "9ffc5018020fe646795a8dc1203224b8f776dc09", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "4931e80da9463b03bfe42be54a9a19f213b0f76d", "versionType": "git"}, {"status": "affected", "version": "d0cad871703b898a442e4049c532ec39168e5b57", "lessThan": "e9c65989920f7c28775ec4e0c11b483910fb67b8", "versionType": "git"}], "programFiles": ["drivers/net/usb/smsc75xx.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.34"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.34", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.327", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.296", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.258", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.198", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.135", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.57", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.5.7", "versionType": "semver", "lessThanOrEqual": "6.5.*"}, {"status": "unaffected", "version": "6.6", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/usb/smsc75xx.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4"}, {"url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed"}, {"url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825"}, {"url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"}, {"url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812"}, {"url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09"}, {"url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d"}, {"url": "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg\n\nsyzbot reported the following uninit-value access issue:\n\n=====================================================\nBUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nBUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nCPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x21c/0x280 lib/dump_stack.c:118\n kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121\n __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\n smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\n usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737\n usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032\n usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241\n usb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554\n hub_port_connect drivers/usb/core/hub.c:5208 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]\n port_event drivers/usb/core/hub.c:5494 [inline]\n hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576\n process_one_work+0x1688/0x2140 kernel/workqueue.c:2269\n worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415\n kthread+0x551/0x590 kernel/kthread.c:292\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293\n\nLocal variable ----buf.i87@smsc75xx_bind created at:\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n\nThis issue is caused because usbnet_read_cmd() reads less bytes than requested\n(zero byte in the reproducer). In this case, 'buf' is not properly filled.\n\nThis patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads\nless bytes than requested."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.327", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.296", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.258", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.198", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.135", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.57", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.5.7", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6", "versionStartIncluding": "2.6.34"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:29:01.647Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52528", "state": "PUBLISHED", "dateUpdated": "2026-05-11T19:29:01.647Z", "dateReserved": "2024-02-20T12:30:33.318Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-02T21:52:33.554Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F8AFEC1A-335A-4E7A-9E59-AC6B72BDD3DE", "versionEndExcluding": "4.14.327", "versionStartIncluding": "2.6.34", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "78DAD65C-4893-461B-91B2-F4E7C212F140", "versionEndExcluding": "4.19.296", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1208C905-CEAA-49F2-B357-72A5185B2656", "versionEndExcluding": "5.4.258", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "66D916C3-4087-44FF-9CD9-D2826BCC9E3D", "versionEndExcluding": "5.10.198", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53447712-3158-498E-A077-9FA1898E6464", "versionEndExcluding": "5.15.135", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8629E5D1-351D-4D4B-8D05-E10BD4A1CFD0", "versionEndExcluding": "6.1.57", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "830A824C-F212-4FDC-ADEF-0EBEC6B2365B", "versionEndExcluding": "6.5.7", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:*", "matchCriteriaId": "84267A4F-DBC2-444F-B41D-69E15E1BEC97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:*", "matchCriteriaId": "FB440208-241C-4246-9A83-C1715C0DAA6C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6:rc3:*:*:*:*:*:*", "matchCriteriaId": "0DC421F1-3D5A-4BEF-BF76-4E468985D20B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6:rc4:*:*:*:*:*:*", "matchCriteriaId": "00AB783B-BE05-40E8-9A55-6AA457D95031", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg\n\nsyzbot reported the following uninit-value access issue:\n\n=====================================================\nBUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nBUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nCPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x21c/0x280 lib/dump_stack.c:118\n kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121\n __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\n smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\n usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737\n usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032\n usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241\n usb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554\n hub_port_connect drivers/usb/core/hub.c:5208 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]\n port_event drivers/usb/core/hub.c:5494 [inline]\n hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576\n process_one_work+0x1688/0x2140 kernel/workqueue.c:2269\n worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415\n kthread+0x551/0x590 kernel/kthread.c:292\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293\n\nLocal variable ----buf.i87@smsc75xx_bind created at:\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n\nThis issue is caused because usbnet_read_cmd() reads less bytes than requested\n(zero byte in the reproducer). In this case, 'buf' is not properly filled.\n\nThis patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads\nless bytes than requested."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: usb: smsc75xx: corrigi\u00f3 el acceso a valores uninit en __smsc75xx_read_reg syzbot inform\u00f3 el siguiente problema de acceso a valores uninit: =============== ====================================== ERROR: KMSAN: valor uninit en controladores smsc75xx_wait_ready/net /usb/smsc75xx.c:975 [en l\u00ednea] ERROR: KMSAN: valor uninit en smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482 CPU: 0 PID: 8696 Comm: kworker/0:3 No contaminado 5.8.0-rc5-syzkaller #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Cola de trabajo: usb_hub_wq hub_event Seguimiento de llamadas: __dump_stack lib/dump_stack.c:77 [en l\u00ednea] dump_stack+0x21c/ 0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [en l\u00ednea ] smsc75xx_bind+0x5c9/0x11e0 controladores/net/usb/smsc75xx.c:1482 usbnet_probe+0x1152/0x3f90 controladores/net/usb/usbnet.c:1737 usb_probe_interface+0xece/0x1550 controladores/usb/core/driver.c:374 very_probe +0xf20/0x20b0 controladores/base/dd.c:529 driver_probe_device+0x293/0x390 controladores/base/dd.c:701 __device_attach_driver+0x63f/0x830 controladores/base/dd.c:807 bus_for_each_drv+0x2ca/0x3f0 controladores/base/ bus.c:431 __device_attach+0x4e2/0x7f0 controladores/base/dd.c:873 dispositivo_initial_probe+0x4a/0x60 controladores/base/dd.c:920 bus_probe_device+0x177/0x3d0 controladores/base/bus.c:491 dispositivo_add+0x3b0e /0x40d0 controladores/base/core.c:2680 usb_set_configuration+0x380f/0x3f10 controladores/usb/core/message.c:2032 usb_generic_driver_probe+0x138/0x300 controladores/usb/core/generic.c:241 usb_probe_device+0x311/0x490 controladores/ usb/core/driver.c:272 Actually_probe+0xf20/0x20b0 controladores/base/dd.c:529 driver_probe_device+0x293/0x390 controladores/base/dd.c:701 __device_attach_driver+0x63f/0x830 controladores/base/dd.c: 807 bus_for_each_drv+0x2ca/0x3f0 controladores/base/bus.c:431 __device_attach+0x4e2/0x7f0 controladores/base/dd.c:873 device_initial_probe+0x4a/0x60 controladores/base/dd.c:920 bus_probe_device+0x177/0x3d0 controladores/ base/bus.c:491 dispositivos_add+0x3b0e/0x40d0 controladores/base/core.c:2680 usb_new_device+0x1bd4/0x2a30 controladores/usb/core/hub.c:2554 hub_port_connect controladores/usb/core/hub.c:5208 [ en l\u00ednea] hub_port_connect_change drivers/usb/core/hub.c:5348 [en l\u00ednea] port_event drivers/usb/core/hub.c:5494 [en l\u00ednea] hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576 Process_one_work+ 0x1688/0x2140 kernel/workqueue.c:2269 trabajador_thread+0x10bc/0x2730 kernel/workqueue.c:2415 kthread+0x551/0x590 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Variable local ----buf.i87@smsc75xx_bind creada en: __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [en l\u00ednea] smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [en l\u00ednea] smsc75xx_bind+0x485/0x11e0 drivers /net/usb/smsc75xx.c:1482 __smsc75xx_read_reg controladores/net/usb/smsc75xx.c:83 [en l\u00ednea] smsc75xx_wait_ready controladores/net/usb/smsc75xx.c:968 [en l\u00ednea] smsc75xx_bind+0x485/0x11e0 controladores/net/usb /smsc75xx.c:1482 Este problema se debe a que usbnet_read_cmd() lee menos bytes de los solicitados (cero bytes en el reproductor). En este caso, 'buf' no se completa correctamente. Este parche soluciona el problema devolviendo -ENODATA si usbnet_read_cmd() lee menos bytes de los solicitados."}], "id": "CVE-2023-52528", "lastModified": "2024-12-11T16:27:49.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-03-02T22:15:48.463", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3627", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:3618", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.5.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2025:4342", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.66.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-04-30T00:00:00Z"}], "bugzilla": {"description": "kernel: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg", "id": "2267789", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267789"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-252", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg\nsyzbot reported the following uninit-value access issue:\n=====================================================\nBUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nBUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nCPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n__dump_stack lib/dump_stack.c:77 [inline]\ndump_stack+0x21c/0x280 lib/dump_stack.c:118\nkmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121\n__msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215\nsmsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nsmsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nusbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737\nusb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374\nreally_probe+0xf20/0x20b0 drivers/base/dd.c:529\ndriver_probe_device+0x293/0x390 drivers/base/dd.c:701\n__device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\nbus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n__device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\ndevice_initial_probe+0x4a/0x60 drivers/base/dd.c:920\nbus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\ndevice_add+0x3b0e/0x40d0 drivers/base/core.c:2680\nusb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032\nusb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241\nusb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272\nreally_probe+0xf20/0x20b0 drivers/base/dd.c:529\ndriver_probe_device+0x293/0x390 drivers/base/dd.c:701\n__device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\nbus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n__device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\ndevice_initial_probe+0x4a/0x60 drivers/base/dd.c:920\nbus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\ndevice_add+0x3b0e/0x40d0 drivers/base/core.c:2680\nusb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554\nhub_port_connect drivers/usb/core/hub.c:5208 [inline]\nhub_port_connect_change drivers/usb/core/hub.c:5348 [inline]\nport_event drivers/usb/core/hub.c:5494 [inline]\nhub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576\nprocess_one_work+0x1688/0x2140 kernel/workqueue.c:2269\nworker_thread+0x10bc/0x2730 kernel/workqueue.c:2415\nkthread+0x551/0x590 kernel/kthread.c:292\nret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293\nLocal variable ----buf.i87@smsc75xx_bind created at:\n__smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\nsmsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\nsmsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n__smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\nsmsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\nsmsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\nThis issue is caused because usbnet_read_cmd() reads less bytes than requested\n(zero byte in the reproducer). In this case, 'buf' is not properly filled.\nThis patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads\nless bytes than requested."], "name": "CVE-2023-52528", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52528\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52528\nhttps://lore.kernel.org/linux-cve-announce/2024030254-CVE-2023-52528-c33b@gregkh/T/#u"], "threat_severity": "Low"}

{}