{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T09:56:12.263Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:56:12.263Z"},"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"}}]}}