{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-52922", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T06:07:11.018Z", "datePublished": "2024-11-28T15:09:51.360Z", "dateUpdated": "2026-05-11T19:35:40.844Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:35:40.844Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Fix UAF in bcm_proc_show()\n\nBUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80\nRead of size 8 at addr ffff888155846230 by task cat/7862\n\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xd5/0x150\n print_report+0xc1/0x5e0\n kasan_report+0xba/0xf0\n bcm_proc_show+0x969/0xa80\n seq_read_iter+0x4f6/0x1260\n seq_read+0x165/0x210\n proc_reg_read+0x227/0x300\n vfs_read+0x1d5/0x8d0\n ksys_read+0x11e/0x240\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nAllocated by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n __kasan_kmalloc+0x9e/0xa0\n bcm_sendmsg+0x264b/0x44e0\n sock_sendmsg+0xda/0x180\n ____sys_sendmsg+0x735/0x920\n ___sys_sendmsg+0x11d/0x1b0\n __sys_sendmsg+0xfa/0x1d0\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFreed by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_save_free_info+0x27/0x40\n ____kasan_slab_free+0x161/0x1c0\n slab_free_freelist_hook+0x119/0x220\n __kmem_cache_free+0xb4/0x2e0\n rcu_core+0x809/0x1bd0\n\nbcm_op is freed before procfs entry be removed in bcm_release(),\nthis lead to bcm_proc_show() may read the freed bcm_op."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/can/bcm.c"], "versions": [{"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "11b8e27ed448baa385d90154a141466bd5e92f18", "status": "affected", "versionType": "git"}, {"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff", "status": "affected", "versionType": "git"}, {"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6", "status": "affected", "versionType": "git"}, {"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "cf254b4f68e480e73dab055014e002b77aed30ed", "status": "affected", "versionType": "git"}, {"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "3c3941bb1eb53abe7d640ffee5c4d6b559829ab3", "status": "affected", "versionType": "git"}, {"version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://allelesecurity.com/use-after-free-vulnerability-in-can-bcm-subsystem-leading-to-information-disclosure-cve-2023-52922/"}], "x_generator": {"engine": "ADPogram 0.0.1"}, "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-06-13T20:05:35.471Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-52922", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-12-11T14:25:19.812424Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-11T14:25:21.314Z"}}], "cna": {"title": "can: bcm: Fix UAF in bcm_proc_show()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "11b8e27ed448baa385d90154a141466bd5e92f18", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "cf254b4f68e480e73dab055014e002b77aed30ed", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "3c3941bb1eb53abe7d640ffee5c4d6b559829ab3", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "995f47d76647708ec26c6e388663ad4f3f264787", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7", "versionType": "git"}, {"status": "affected", "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828", "lessThan": "55c3b96074f3f9b0aee19bf93cd71af7516582bb", "versionType": "git"}], "programFiles": ["net/can/bcm.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", 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bcm_proc_show+0x969/0xa80\nRead of size 8 at addr ffff888155846230 by task cat/7862\n\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xd5/0x150\n print_report+0xc1/0x5e0\n kasan_report+0xba/0xf0\n bcm_proc_show+0x969/0xa80\n seq_read_iter+0x4f6/0x1260\n seq_read+0x165/0x210\n proc_reg_read+0x227/0x300\n vfs_read+0x1d5/0x8d0\n ksys_read+0x11e/0x240\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nAllocated by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n __kasan_kmalloc+0x9e/0xa0\n bcm_sendmsg+0x264b/0x44e0\n sock_sendmsg+0xda/0x180\n ____sys_sendmsg+0x735/0x920\n ___sys_sendmsg+0x11d/0x1b0\n __sys_sendmsg+0xfa/0x1d0\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFreed by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_save_free_info+0x27/0x40\n ____kasan_slab_free+0x161/0x1c0\n slab_free_freelist_hook+0x119/0x220\n __kmem_cache_free+0xb4/0x2e0\n rcu_core+0x809/0x1bd0\n\nbcm_op is freed before procfs entry be removed in bcm_release(),\nthis lead to bcm_proc_show() may read the freed bcm_op."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.322", "versionStartIncluding": "2.6.25"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.291", "versionStartIncluding": "2.6.25"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.251", "versionStartIncluding": "2.6.25"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.188", "versionStartIncluding": "2.6.25"}, {"criteria": 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"assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "115EB87B-910D-4A3D-B8DF-5F281A7E12A0", "versionEndExcluding": "4.14.322", "versionStartIncluding": "2.6.25", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D2D2CA9F-4CC4-4AF5-8C6D-E58415AB782E", "versionEndExcluding": "4.19.291", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FA663C4-CA72-4B5A-8592-7354D978F58E", "versionEndExcluding": "5.4.251", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "43CAE50A-4A6C-488E-813C-F8DB77C13C8B", "versionEndExcluding": "5.10.188", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "372C0BAA-44F5-4829-A7B0-E4924B682DA4", "versionEndExcluding": "5.15.123", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E769E6A-7EEF-4FA8-BF41-6CA1CE537361", "versionEndExcluding": "6.1.42", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "60A1A1ED-EA6C-42F6-80D3-3316DC7608C7", "versionEndExcluding": "6.4.7", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "0B3E6E4D-E24E-4630-B00C-8C9901C597B0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*", "matchCriteriaId": "E4A01A71-0F09-4DB2-A02F-7EFFBE27C98D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Fix UAF in bcm_proc_show()\n\nBUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80\nRead of size 8 at addr ffff888155846230 by task cat/7862\n\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xd5/0x150\n print_report+0xc1/0x5e0\n kasan_report+0xba/0xf0\n bcm_proc_show+0x969/0xa80\n seq_read_iter+0x4f6/0x1260\n seq_read+0x165/0x210\n proc_reg_read+0x227/0x300\n vfs_read+0x1d5/0x8d0\n ksys_read+0x11e/0x240\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nAllocated by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n __kasan_kmalloc+0x9e/0xa0\n bcm_sendmsg+0x264b/0x44e0\n sock_sendmsg+0xda/0x180\n ____sys_sendmsg+0x735/0x920\n ___sys_sendmsg+0x11d/0x1b0\n __sys_sendmsg+0xfa/0x1d0\n do_syscall_64+0x35/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nFreed by task 7846:\n kasan_save_stack+0x1e/0x40\n kasan_set_track+0x21/0x30\n kasan_save_free_info+0x27/0x40\n ____kasan_slab_free+0x161/0x1c0\n slab_free_freelist_hook+0x119/0x220\n __kmem_cache_free+0xb4/0x2e0\n rcu_core+0x809/0x1bd0\n\nbcm_op is freed before procfs entry be removed in bcm_release(),\nthis lead to bcm_proc_show() may read the freed bcm_op."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: bcm: Fix UAF en bcm_proc_show() BUG: KASAN: slab-use-after-free en bcm_proc_show+0x969/0xa80 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888155846230 por la tarea cat/7862 CPU: 1 PID: 7862 Comm: cat No contaminado 6.5.0-rc1-00153-gc8746099c197 #230 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Seguimiento de llamadas: dump_stack_lvl+0xd5/0x150 print_report+0xc1/0x5e0 Asignado por la tarea 7846: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 __kasan_kmalloc+0x9e/0xa0 bcm_sendmsg+0x264b/0x44e0 sock_sendmsg+0xda/0x180 ____sys_sendmsg+0x735/0x920 ___sys_sendmsg+0x11d/0x1b0 __sys_sendmsg+0xfa/0x1d0 do_syscall_64+0x35/0xb0 entry_SYSCALL_64_after_hwframe+0x63/0xcd Liberado por la tarea 7846: kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_save_free_info+0x27/0x40 ____kasan_slab_free+0x161/0x1c0 slab_free_freelist_hook+0x119/0x220 __kmem_cache_free+0xb4/0x2e0 rcu_core+0x809/0x1bd0 bcm_op se libera antes de que se elimine la entrada procfs en bcm_release(), esto lleva a que bcm_proc_show() pueda leer el bcm_op liberado."}], "id": "CVE-2023-52922", "lastModified": "2025-06-13T20:15:22.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-11-28T15:15:17.260", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://allelesecurity.com/use-after-free-vulnerability-in-can-bcm-subsystem-leading-to-information-disclosure-cve-2023-52922/"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Anderson Nascimento (Allele Security Intelligence) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2025:2517", "cpe": "cpe:/o:redhat:rhel_els:6", "package": "kernel-0:2.6.32-754.56.1.el6", "product_name": "Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2514", "cpe": "cpe:/o:redhat:rhel_aus:7.7", "package": "kernel-0:3.10.0-1062.93.1.el7", "product_name": "Red Hat Enterprise Linux 7.7 Advanced Update Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2510", "cpe": "cpe:/a:redhat:rhel_extras_rt_els:7", "package": "kernel-rt-0:3.10.0-1160.133.1.rt56.1285.el7", "product_name": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2501", "cpe": "cpe:/o:redhat:rhel_els:7", "package": "kernel-0:3.10.0-1160.133.1.el7", "product_name": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3027", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.45.1.rt7.386.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-03-19T00:00:00Z"}, {"advisory": "RHSA-2025:3026", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.45.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-03-19T00:00:00Z"}, {"advisory": "RHSA-2025:3049", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2646", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "kernel-0:4.18.0-193.146.1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-03-11T00:00:00Z"}, {"advisory": "RHSA-2025:2528", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "kernel-0:4.18.0-305.151.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2524", "cpe": "cpe:/a:redhat:rhel_tus:8.4::nfv", "package": "kernel-rt-0:4.18.0-305.151.1.rt7.228.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2528", "cpe": "cpe:/o:redhat:rhel_tus:8.4", "package": "kernel-0:4.18.0-305.151.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2528", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "kernel-0:4.18.0-305.151.1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3093", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2489", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "kernel-0:4.18.0-372.141.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2489", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "kernel-0:4.18.0-372.141.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2489", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kernel-0:4.18.0-372.141.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3095", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2525", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.93.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3094", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2627", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.31.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-03-11T00:00:00Z"}, {"advisory": "RHSA-2025:2627", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.31.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-03-11T00:00:00Z"}, {"advisory": "RHSA-2025:3048", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2488", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "kernel-0:5.14.0-70.125.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:2512", "cpe": "cpe:/a:redhat:rhel_e4s:9.0::nfv", "package": "kernel-rt-0:5.14.0-70.125.1.rt21.197.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3112", "cpe": "cpe:/o:redhat:rhel_e4s:9.0", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-03-24T00:00:00Z"}, {"advisory": "RHSA-2025:3025", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.109.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-03-19T00:00:00Z"}, {"advisory": "RHSA-2025:3024", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.109.1.rt14.394.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-03-19T00:00:00Z"}, {"advisory": "RHSA-2025:3096", "cpe": "cpe:/o:redhat:rhel_eus:9.2", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-03-20T00:00:00Z"}, {"advisory": "RHSA-2025:2490", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.59.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-03-10T00:00:00Z"}, {"advisory": "RHSA-2025:3097", "cpe": "cpe:/o:redhat:rhel_eus:9.4", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-03-20T00:00:00Z"}], "bugzilla": {"description": "kernel: can: bcm: Fix UAF in bcm_proc_show()", "id": "2329370", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2329370"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: bcm: Fix UAF in bcm_proc_show()\nBUG: KASAN: slab-use-after-free in bcm_proc_show+0x969/0xa80\nRead of size 8 at addr ffff888155846230 by task cat/7862\nCPU: 1 PID: 7862 Comm: cat Not tainted 6.5.0-rc1-00153-gc8746099c197 #230\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n<TASK>\ndump_stack_lvl+0xd5/0x150\nprint_report+0xc1/0x5e0\nkasan_report+0xba/0xf0\nbcm_proc_show+0x969/0xa80\nseq_read_iter+0x4f6/0x1260\nseq_read+0x165/0x210\nproc_reg_read+0x227/0x300\nvfs_read+0x1d5/0x8d0\nksys_read+0x11e/0x240\ndo_syscall_64+0x35/0xb0\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\nAllocated by task 7846:\nkasan_save_stack+0x1e/0x40\nkasan_set_track+0x21/0x30\n__kasan_kmalloc+0x9e/0xa0\nbcm_sendmsg+0x264b/0x44e0\nsock_sendmsg+0xda/0x180\n____sys_sendmsg+0x735/0x920\n___sys_sendmsg+0x11d/0x1b0\n__sys_sendmsg+0xfa/0x1d0\ndo_syscall_64+0x35/0xb0\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\nFreed by task 7846:\nkasan_save_stack+0x1e/0x40\nkasan_set_track+0x21/0x30\nkasan_save_free_info+0x27/0x40\n____kasan_slab_free+0x161/0x1c0\nslab_free_freelist_hook+0x119/0x220\n__kmem_cache_free+0xb4/0x2e0\nrcu_core+0x809/0x1bd0\nbcm_op is freed before procfs entry be removed in bcm_release(),\nthis lead to bcm_proc_show() may read the freed bcm_op."], "name": "CVE-2023-52922", "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:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52922\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52922\nhttps://lore.kernel.org/linux-cve-announce/2024112856-CVE-2023-52922-39e1@gregkh/T"], "threat_severity": "Important"}

{}