{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49301", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.535Z", "datePublished": "2025-02-26T02:10:36.072Z", "dateUpdated": "2026-05-11T18:57:01.505Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:57:01.505Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in usb_read8() and friends\n\nWhen r8712_usbctrl_vendorreq() returns negative, 'data' in\nusb_read{8,16,32} will not be initialized.\n\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline]\nBUG: KMSAN: uninit-value in string+0x4ec/0x6f0 lib/vsprintf.c:725\n string_nocheck lib/vsprintf.c:643 [inline]\n string+0x4ec/0x6f0 lib/vsprintf.c:725\n vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\n va_format lib/vsprintf.c:1704 [inline]\n pointer+0x18e6/0x1f70 lib/vsprintf.c:2443\n vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810\n vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\n vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\n dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604\n dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615\n __dev_printk+0x3be/0x440 drivers/base/core.c:4627\n _dev_info+0x1ea/0x22f drivers/base/core.c:4673\n r871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_new_device+0x1b91/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5363 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]\n port_event drivers/usb/core/hub.c:5665 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289\n worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436\n kthread+0x3c7/0x500 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30\n\nLocal variable data created at:\n usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33\n r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/rtl8712/usb_ops.c"], "versions": [{"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "58762f1c63c75cbe1dc393eed3c9cf8e38310ca1", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "33ef21d55418ab6a62a63fd550b2dbe297433372", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "95b0f54f8a898072a2810c05fab34d971f23a612", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d7ed3c85da0b230bcdf5329acfe012ed093f3daa", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "de075af8c404f7d59ed34df230aedd9f645fb846", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d1b57669732d09da7e13ef86d058dab0cd57f6e0", "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/staging/rtl8712/usb_ops.c"], "versions": [{"version": "2.6.37", "status": "affected"}, {"version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.122", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.47", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.15", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.4", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "2.6.37", "versionEndExcluding": "5.4.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.10.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.15.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.17.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.18.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/58762f1c63c75cbe1dc393eed3c9cf8e38310ca1"}, {"url": "https://git.kernel.org/stable/c/33ef21d55418ab6a62a63fd550b2dbe297433372"}, {"url": "https://git.kernel.org/stable/c/95b0f54f8a898072a2810c05fab34d971f23a612"}, {"url": "https://git.kernel.org/stable/c/d7ed3c85da0b230bcdf5329acfe012ed093f3daa"}, {"url": "https://git.kernel.org/stable/c/de075af8c404f7d59ed34df230aedd9f645fb846"}, {"url": "https://git.kernel.org/stable/c/d1b57669732d09da7e13ef86d058dab0cd57f6e0"}], "title": "staging: rtl8712: fix uninit-value in usb_read8() and friends", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49301", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:44:44.311879Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-908", "description": "CWE-908 Use of Uninitialized Resource"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:46:59.120Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49301", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:44:44.311879Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-908", "description": "CWE-908 Use of Uninitialized Resource"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T16:13:30.939Z"}}], "cna": {"title": "staging: rtl8712: fix uninit-value in usb_read8() and friends", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "58762f1c63c75cbe1dc393eed3c9cf8e38310ca1", "versionType": "git"}, {"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "33ef21d55418ab6a62a63fd550b2dbe297433372", "versionType": "git"}, {"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "95b0f54f8a898072a2810c05fab34d971f23a612", "versionType": "git"}, {"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d7ed3c85da0b230bcdf5329acfe012ed093f3daa", "versionType": "git"}, {"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "de075af8c404f7d59ed34df230aedd9f645fb846", "versionType": "git"}, {"status": "affected", "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d1b57669732d09da7e13ef86d058dab0cd57f6e0", "versionType": "git"}], "programFiles": ["drivers/staging/rtl8712/usb_ops.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.37"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.37", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.198", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.122", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.47", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.17.15", "versionType": "semver", "lessThanOrEqual": "5.17.*"}, {"status": "unaffected", "version": "5.18.4", "versionType": "semver", "lessThanOrEqual": "5.18.*"}, {"status": "unaffected", "version": "5.19", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/staging/rtl8712/usb_ops.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/58762f1c63c75cbe1dc393eed3c9cf8e38310ca1"}, {"url": "https://git.kernel.org/stable/c/33ef21d55418ab6a62a63fd550b2dbe297433372"}, {"url": "https://git.kernel.org/stable/c/95b0f54f8a898072a2810c05fab34d971f23a612"}, {"url": "https://git.kernel.org/stable/c/d7ed3c85da0b230bcdf5329acfe012ed093f3daa"}, {"url": "https://git.kernel.org/stable/c/de075af8c404f7d59ed34df230aedd9f645fb846"}, {"url": "https://git.kernel.org/stable/c/d1b57669732d09da7e13ef86d058dab0cd57f6e0"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in usb_read8() and friends\n\nWhen r8712_usbctrl_vendorreq() returns negative, 'data' in\nusb_read{8,16,32} will not be initialized.\n\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline]\nBUG: KMSAN: uninit-value in string+0x4ec/0x6f0 lib/vsprintf.c:725\n string_nocheck lib/vsprintf.c:643 [inline]\n string+0x4ec/0x6f0 lib/vsprintf.c:725\n vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\n va_format lib/vsprintf.c:1704 [inline]\n pointer+0x18e6/0x1f70 lib/vsprintf.c:2443\n vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810\n vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\n vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\n dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604\n dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615\n __dev_printk+0x3be/0x440 drivers/base/core.c:4627\n _dev_info+0x1ea/0x22f drivers/base/core.c:4673\n r871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_new_device+0x1b91/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5363 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]\n port_event drivers/usb/core/hub.c:5665 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289\n worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436\n kthread+0x3c7/0x500 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30\n\nLocal variable data created at:\n usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33\n r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": 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"Linux", "dateUpdated": "2026-05-11T18:57:01.505Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49301", "state": "PUBLISHED", "dateUpdated": "2026-05-11T18:57:01.505Z", "dateReserved": "2025-02-26T02:08:31.535Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-02-26T02:10:36.072Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1C86ABC-337F-46B3-BCD8-22DC5A66E45A", "versionEndExcluding": "5.4.198", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1B42AA01-44D8-4572-95E6-FF8E374CF9C5", "versionEndExcluding": "5.10.122", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61", "versionEndExcluding": "5.15.47", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD", "versionEndExcluding": "5.17.15", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in usb_read8() and friends\n\nWhen r8712_usbctrl_vendorreq() returns negative, 'data' in\nusb_read{8,16,32} will not be initialized.\n\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline]\nBUG: KMSAN: uninit-value in string+0x4ec/0x6f0 lib/vsprintf.c:725\n string_nocheck lib/vsprintf.c:643 [inline]\n string+0x4ec/0x6f0 lib/vsprintf.c:725\n vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\n va_format lib/vsprintf.c:1704 [inline]\n pointer+0x18e6/0x1f70 lib/vsprintf.c:2443\n vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810\n vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\n vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\n dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604\n dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615\n __dev_printk+0x3be/0x440 drivers/base/core.c:4627\n _dev_info+0x1ea/0x22f drivers/base/core.c:4673\n r871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\n really_probe+0x6c7/0x1350 drivers/base/dd.c:621\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_new_device+0x1b91/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5363 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]\n port_event drivers/usb/core/hub.c:5665 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289\n worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436\n kthread+0x3c7/0x500 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30\n\nLocal variable data created at:\n usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33\n r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: staging: rtl8712: se corrige un valor no inicializado en usb_read8() y similares. Cuando r8712_usbctrl_vendorreq() devuelve un valor negativo, no se inicializar\u00e1n los 'datos' en usb_read{8,16,32}. ERROR: KMSAN: valor no inicializado en string_nocheck lib/vsprintf.c:643 [en l\u00ednea] ERROR: KMSAN: valor no inicializado en string+0x4ec/0x6f0 lib/vsprintf.c:725 string_nocheck lib/vsprintf.c:643 [en l\u00ednea] string+0x4ec/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 va_format lib/vsprintf.c:1704 [en l\u00ednea] pointer+0x18e6/0x1f70 lib/vsprintf.c:2443 vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256 dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604 dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615 __dev_printk+0x3be/0x440 drivers/base/core.c:4627 _dev_info+0x1ea/0x22f drivers/base/core.c:4673 r871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396 really_probe+0x6c7/0x1350 drivers/base/dd.c:621 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [en l\u00ednea] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238 usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293 really_probe+0x6c7/0x1350 drivers/base/dd.c:621 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752 driver_probe_device drivers/base/dd.c:782 [en l\u00ednea] __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899 bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427 __device_attach+0x593/0x8e0 drivers/base/dd.c:970 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487 device_add+0x1fff/0x26e0 drivers/base/core.c:3405 usb_new_device+0x1b91/0x2950 drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5363 [en l\u00ednea] hub_port_connect_change drivers/usb/core/hub.c:5507 [en l\u00ednea] port_event drivers/usb/core/hub.c:5665 [en l\u00ednea] hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289 worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436 kthread+0x3c7/0x500 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Datos de la variable local creados en: usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33 r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29 KMSAN: valor no inicializado en r871xu_drv_init https://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"}], "id": "CVE-2022-49301", "lastModified": "2025-10-01T20:16:03.110", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-02-26T07:01:06.923", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/33ef21d55418ab6a62a63fd550b2dbe297433372"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/58762f1c63c75cbe1dc393eed3c9cf8e38310ca1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/95b0f54f8a898072a2810c05fab34d971f23a612"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1b57669732d09da7e13ef86d058dab0cd57f6e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7ed3c85da0b230bcdf5329acfe012ed093f3daa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/de075af8c404f7d59ed34df230aedd9f645fb846"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-908"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: staging: rtl8712: fix uninit-value in usb_read8() and friends", "id": "2347867", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347867"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nstaging: rtl8712: fix uninit-value in usb_read8() and friends\nWhen r8712_usbctrl_vendorreq() returns negative, 'data' in\nusb_read{8,16,32} will not be initialized.\nBUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline]\nBUG: KMSAN: uninit-value in string+0x4ec/0x6f0 lib/vsprintf.c:725\nstring_nocheck lib/vsprintf.c:643 [inline]\nstring+0x4ec/0x6f0 lib/vsprintf.c:725\nvsnprintf+0x2222/0x3650 lib/vsprintf.c:2806\nva_format lib/vsprintf.c:1704 [inline]\npointer+0x18e6/0x1f70 lib/vsprintf.c:2443\nvsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2810\nvprintk_store+0x537/0x2150 kernel/printk/printk.c:2158\nvprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256\ndev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4604\ndev_printk_emit+0x1dd/0x21f drivers/base/core.c:4615\n__dev_printk+0x3be/0x440 drivers/base/core.c:4627\n_dev_info+0x1ea/0x22f drivers/base/core.c:4673\nr871xu_drv_init+0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401\nusb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\nreally_probe+0x6c7/0x1350 drivers/base/dd.c:621\n__driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\ndriver_probe_device drivers/base/dd.c:782 [inline]\n__device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\nbus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n__device_attach+0x593/0x8e0 drivers/base/dd.c:970\ndevice_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\nbus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\ndevice_add+0x1fff/0x26e0 drivers/base/core.c:3405\nusb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\nusb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\nusb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\nreally_probe+0x6c7/0x1350 drivers/base/dd.c:621\n__driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\ndriver_probe_device drivers/base/dd.c:782 [inline]\n__device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\nbus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n__device_attach+0x593/0x8e0 drivers/base/dd.c:970\ndevice_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\nbus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\ndevice_add+0x1fff/0x26e0 drivers/base/core.c:3405\nusb_new_device+0x1b91/0x2950 drivers/usb/core/hub.c:2566\nhub_port_connect drivers/usb/core/hub.c:5363 [inline]\nhub_port_connect_change drivers/usb/core/hub.c:5507 [inline]\nport_event drivers/usb/core/hub.c:5665 [inline]\nhub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5747\nprocess_one_work+0xdb6/0x1820 kernel/workqueue.c:2289\nworker_thread+0x10d0/0x2240 kernel/workqueue.c:2436\nkthread+0x3c7/0x500 kernel/kthread.c:376\nret_from_fork+0x1f/0x30\nLocal variable data created at:\nusb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33\nr8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8"], "name": "CVE-2022-49301", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49301\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49301\nhttps://lore.kernel.org/linux-cve-announce/2025022634-CVE-2022-49301-a631@gregkh/T"], "threat_severity": "Moderate"}

{}