{ "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 \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" } } ] } }