{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-53218", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-11-19T17:17:25.024Z", "datePublished": "2024-12-27T13:50:03.556Z", "dateUpdated": "2026-05-11T20:53:07.924Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:53:07.924Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix race in concurrent f2fs_stop_gc_thread\n\nIn my test case, concurrent calls to f2fs shutdown report the following\nstack trace:\n\n Oops: general protection fault, probably for non-canonical address 0xc6cfff63bb5513fc: 0000 [#1] PREEMPT SMP PTI\n CPU: 0 UID: 0 PID: 678 Comm: f2fs_rep_shutdo Not tainted 6.12.0-rc5-next-20241029-g6fb2fa9805c5-dirty #85\n Call Trace:\n <TASK>\n ? show_regs+0x8b/0xa0\n ? __die_body+0x26/0xa0\n ? die_addr+0x54/0x90\n ? exc_general_protection+0x24b/0x5c0\n ? asm_exc_general_protection+0x26/0x30\n ? kthread_stop+0x46/0x390\n f2fs_stop_gc_thread+0x6c/0x110\n f2fs_do_shutdown+0x309/0x3a0\n f2fs_ioc_shutdown+0x150/0x1c0\n __f2fs_ioctl+0xffd/0x2ac0\n f2fs_ioctl+0x76/0xe0\n vfs_ioctl+0x23/0x60\n __x64_sys_ioctl+0xce/0xf0\n x64_sys_call+0x2b1b/0x4540\n do_syscall_64+0xa7/0x240\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThe root cause is a race condition in f2fs_stop_gc_thread() called from\ndifferent f2fs shutdown paths:\n\n [CPU0] [CPU1]\n ---------------------- -----------------------\n f2fs_stop_gc_thread f2fs_stop_gc_thread\n gc_th = sbi->gc_thread\n gc_th = sbi->gc_thread\n kfree(gc_th)\n sbi->gc_thread = NULL\n < gc_th != NULL >\n kthread_stop(gc_th->f2fs_gc_task) //UAF\n\nThe commit c7f114d864ac (\"f2fs: fix to avoid use-after-free in\nf2fs_stop_gc_thread()\") attempted to fix this issue by using a read\nsemaphore to prevent races between shutdown and remount threads, but\nit fails to prevent all race conditions.\n\nFix it by converting to write lock of s_umount in f2fs_do_shutdown()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/file.c"], "versions": [{"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "794fa8792d4eacac191f1cbcc2e81b7369e4662a", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "60457ed6c67625c87861f96912b4179dc2293896", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "c631207897a9b3d41167ceca58e07f8f94720e42", "status": "affected", "versionType": "git"}, {"version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "7b0033dbc48340a1c1c3f12448ba17d6587ca092", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/file.c"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "4.16", "versionEndExcluding": "6.6.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.11.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.12.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/794fa8792d4eacac191f1cbcc2e81b7369e4662a"}, {"url": "https://git.kernel.org/stable/c/60457ed6c67625c87861f96912b4179dc2293896"}, {"url": "https://git.kernel.org/stable/c/c631207897a9b3d41167ceca58e07f8f94720e42"}, {"url": "https://git.kernel.org/stable/c/7b0033dbc48340a1c1c3f12448ba17d6587ca092"}], "title": "f2fs: fix race in concurrent f2fs_stop_gc_thread", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"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-2024-53218", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-11T15:43:11.505838Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-11T15:45:26.023Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"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-2024-53218", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-11T15:43:11.505838Z"}}}], "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": "2025-02-11T15:43:12.957Z"}}], "cna": {"title": "f2fs: fix race in concurrent f2fs_stop_gc_thread", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "794fa8792d4eacac191f1cbcc2e81b7369e4662a", "versionType": "git"}, {"status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "60457ed6c67625c87861f96912b4179dc2293896", "versionType": "git"}, {"status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "c631207897a9b3d41167ceca58e07f8f94720e42", "versionType": "git"}, {"status": "affected", "version": "7950e9ac638e84518fbdd5c930939ad46a1068c5", "lessThan": "7b0033dbc48340a1c1c3f12448ba17d6587ca092", "versionType": "git"}], "programFiles": ["fs/f2fs/file.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.16"}, {"status": "unaffected", "version": "0", "lessThan": "4.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.64", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.11.11", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12.2", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/f2fs/file.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/794fa8792d4eacac191f1cbcc2e81b7369e4662a"}, {"url": "https://git.kernel.org/stable/c/60457ed6c67625c87861f96912b4179dc2293896"}, {"url": "https://git.kernel.org/stable/c/c631207897a9b3d41167ceca58e07f8f94720e42"}, {"url": "https://git.kernel.org/stable/c/7b0033dbc48340a1c1c3f12448ba17d6587ca092"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix race in concurrent f2fs_stop_gc_thread\n\nIn my test case, concurrent calls to f2fs shutdown report the following\nstack trace:\n\n Oops: general protection fault, probably for non-canonical address 0xc6cfff63bb5513fc: 0000 [#1] PREEMPT SMP PTI\n CPU: 0 UID: 0 PID: 678 Comm: f2fs_rep_shutdo Not tainted 6.12.0-rc5-next-20241029-g6fb2fa9805c5-dirty #85\n Call Trace:\n <TASK>\n ? show_regs+0x8b/0xa0\n ? __die_body+0x26/0xa0\n ? die_addr+0x54/0x90\n ? exc_general_protection+0x24b/0x5c0\n ? asm_exc_general_protection+0x26/0x30\n ? kthread_stop+0x46/0x390\n f2fs_stop_gc_thread+0x6c/0x110\n f2fs_do_shutdown+0x309/0x3a0\n f2fs_ioc_shutdown+0x150/0x1c0\n __f2fs_ioctl+0xffd/0x2ac0\n f2fs_ioctl+0x76/0xe0\n vfs_ioctl+0x23/0x60\n __x64_sys_ioctl+0xce/0xf0\n x64_sys_call+0x2b1b/0x4540\n do_syscall_64+0xa7/0x240\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThe root cause is a race condition in f2fs_stop_gc_thread() called from\ndifferent f2fs shutdown paths:\n\n [CPU0] [CPU1]\n ---------------------- -----------------------\n f2fs_stop_gc_thread f2fs_stop_gc_thread\n gc_th = sbi->gc_thread\n gc_th = sbi->gc_thread\n kfree(gc_th)\n sbi->gc_thread = NULL\n < gc_th != NULL >\n kthread_stop(gc_th->f2fs_gc_task) //UAF\n\nThe commit c7f114d864ac (\"f2fs: fix to avoid use-after-free in\nf2fs_stop_gc_thread()\") attempted to fix this issue by using a read\nsemaphore to prevent races between shutdown and remount threads, but\nit fails to prevent all race conditions.\n\nFix it by converting to write lock of s_umount in f2fs_do_shutdown()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.64", "versionStartIncluding": "4.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.11", "versionStartIncluding": "4.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.2", "versionStartIncluding": "4.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.13", "versionStartIncluding": "4.16"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:56:12.263Z"}}}, "cveMetadata": {"cveId": "CVE-2024-53218", "state": "PUBLISHED", "dateUpdated": "2025-05-04T09:56:12.263Z", "dateReserved": "2024-11-19T17:17:25.024Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-12-27T13:50:03.556Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "27A3A914-2A9F-4AB3-BA0D-63517B5BD886", "versionEndExcluding": "6.6.64", "versionStartIncluding": "4.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "21434379-192D-472F-9B54-D45E3650E893", "versionEndExcluding": "6.11.11", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix race in concurrent f2fs_stop_gc_thread\n\nIn my test case, concurrent calls to f2fs shutdown report the following\nstack trace:\n\n Oops: general protection fault, probably for non-canonical address 0xc6cfff63bb5513fc: 0000 [#1] PREEMPT SMP PTI\n CPU: 0 UID: 0 PID: 678 Comm: f2fs_rep_shutdo Not tainted 6.12.0-rc5-next-20241029-g6fb2fa9805c5-dirty #85\n Call Trace:\n <TASK>\n ? show_regs+0x8b/0xa0\n ? __die_body+0x26/0xa0\n ? die_addr+0x54/0x90\n ? exc_general_protection+0x24b/0x5c0\n ? asm_exc_general_protection+0x26/0x30\n ? kthread_stop+0x46/0x390\n f2fs_stop_gc_thread+0x6c/0x110\n f2fs_do_shutdown+0x309/0x3a0\n f2fs_ioc_shutdown+0x150/0x1c0\n __f2fs_ioctl+0xffd/0x2ac0\n f2fs_ioctl+0x76/0xe0\n vfs_ioctl+0x23/0x60\n __x64_sys_ioctl+0xce/0xf0\n x64_sys_call+0x2b1b/0x4540\n do_syscall_64+0xa7/0x240\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThe root cause is a race condition in f2fs_stop_gc_thread() called from\ndifferent f2fs shutdown paths:\n\n [CPU0] [CPU1]\n ---------------------- -----------------------\n f2fs_stop_gc_thread f2fs_stop_gc_thread\n gc_th = sbi->gc_thread\n gc_th = sbi->gc_thread\n kfree(gc_th)\n sbi->gc_thread = NULL\n < gc_th != NULL >\n kthread_stop(gc_th->f2fs_gc_task) //UAF\n\nThe commit c7f114d864ac (\"f2fs: fix to avoid use-after-free in\nf2fs_stop_gc_thread()\") attempted to fix this issue by using a read\nsemaphore to prevent races between shutdown and remount threads, but\nit fails to prevent all race conditions.\n\nFix it by converting to write lock of s_umount in f2fs_do_shutdown()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: corregir ejecuci\u00f3n en f2fs_stop_gc_thread concurrente En mi caso de prueba, las llamadas concurrentes a f2fs shutdown informan el siguiente seguimiento de pila: Oops: error de protecci\u00f3n general, probablemente para direcci\u00f3n no can\u00f3nica 0xc6cfff63bb5513fc: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 678 Comm: f2fs_rep_shutdo No contaminado 6.12.0-rc5-next-20241029-g6fb2fa9805c5-dirty #85 Seguimiento de llamada: ? show_regs+0x8b/0xa0 ? __die_body+0x26/0xa0 ? die_addr+0x54/0x90 ? exc_proteccion_general+0x24b/0x5c0 ? asm_exc_proteccion_general+0x26/0x30 ? kthread_stop+0x46/0x390 f2fs_stop_gc_thread+0x6c/0x110 f2fs_do_shutdown+0x309/0x3a0 f2fs_ioc_shutdown+0x150/0x1c0 __f2fs_ioctl+0xffd/0x2ac0 f2fs_ioctl+0x76/0xe0 vfs_ioctl+0x23/0x60 __x64_sys_ioctl+0xce/0xf0 x64_sys_call+0x2b1b/0x4540 do_syscall_64+0xa7/0x240 entry_SYSCALL_64_after_hwframe+0x76/0x7e La causa ra\u00edz es una condici\u00f3n de ejecuci\u00f3n en f2fs_stop_gc_thread() llamado desde diferentes rutas de apagado de f2fs: [CPU0] [CPU1] ---------------------- ----------------------- f2fs_stop_gc_thread f2fs_stop_gc_thread gc_th = sbi-&gt;gc_thread gc_th = sbi-&gt;gc_thread kfree(gc_th) sbi-&gt;gc_thread = NULL &lt; gc_th != NULL &gt; kthread_stop(gc_th-&gt;f2fs_gc_task) //UAF el commit c7f114d864ac (\"f2fs: correcci\u00f3n para evitar el use-after-free en f2fs_stop_gc_thread()\") intent\u00f3 corregir este problema al usar un sem\u00e1foro de lectura para evitar ejecuciones entre los subprocesos de apagado y remontaje, pero no logra evitar todas las condiciones de ejecuciones. Arr\u00e9glelo convirtiendo en bloqueo de escritura s_umount en f2fs_do_shutdown()."}], "id": "CVE-2024-53218", "lastModified": "2025-03-24T17:33:42.043", "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": "2024-12-27T14:15:29.840", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/60457ed6c67625c87861f96912b4179dc2293896"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/794fa8792d4eacac191f1cbcc2e81b7369e4662a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7b0033dbc48340a1c1c3f12448ba17d6587ca092"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c631207897a9b3d41167ceca58e07f8f94720e42"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: f2fs: fix race in concurrent f2fs_stop_gc_thread", "id": "2334372", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334372"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nf2fs: fix race in concurrent f2fs_stop_gc_thread\nIn my test case, concurrent calls to f2fs shutdown report the following\nstack trace:\nOops: general protection fault, probably for non-canonical address 0xc6cfff63bb5513fc: 0000 [#1] PREEMPT SMP PTI\nCPU: 0 UID: 0 PID: 678 Comm: f2fs_rep_shutdo Not tainted 6.12.0-rc5-next-20241029-g6fb2fa9805c5-dirty #85\nCall Trace:\n<TASK>\n? show_regs+0x8b/0xa0\n? __die_body+0x26/0xa0\n? die_addr+0x54/0x90\n? exc_general_protection+0x24b/0x5c0\n? asm_exc_general_protection+0x26/0x30\n? kthread_stop+0x46/0x390\nf2fs_stop_gc_thread+0x6c/0x110\nf2fs_do_shutdown+0x309/0x3a0\nf2fs_ioc_shutdown+0x150/0x1c0\n__f2fs_ioctl+0xffd/0x2ac0\nf2fs_ioctl+0x76/0xe0\nvfs_ioctl+0x23/0x60\n__x64_sys_ioctl+0xce/0xf0\nx64_sys_call+0x2b1b/0x4540\ndo_syscall_64+0xa7/0x240\nentry_SYSCALL_64_after_hwframe+0x76/0x7e\nThe root cause is a race condition in f2fs_stop_gc_thread() called from\ndifferent f2fs shutdown paths:\n[CPU0] [CPU1]\n---------------------- -----------------------\nf2fs_stop_gc_thread f2fs_stop_gc_thread\ngc_th = sbi->gc_thread\ngc_th = sbi->gc_thread\nkfree(gc_th)\nsbi->gc_thread = NULL\n< gc_th != NULL >\nkthread_stop(gc_th->f2fs_gc_task) //UAF\nThe commit c7f114d864ac (\"f2fs: fix to avoid use-after-free in\nf2fs_stop_gc_thread()\") attempted to fix this issue by using a read\nsemaphore to prevent races between shutdown and remount threads, but\nit fails to prevent all race conditions.\nFix it by converting to write lock of s_umount in f2fs_do_shutdown()."], "name": "CVE-2024-53218", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53218\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53218\nhttps://lore.kernel.org/linux-cve-announce/2024122732-CVE-2024-53218-4330@gregkh/T"], "threat_severity": "Moderate"}

{}