{"id":"CVE-2023-53564","state":"PUBLISHED","title":"ocfs2: fix defrag path triggering jbd2 ASSERT","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix defrag path triggering jbd2 ASSERT\n\ncode path:\n\nocfs2_ioctl_move_extents\n ocfs2_move_extents\n  ocfs2_defrag_extent\n   __ocfs2_move_extent\n    + ocfs2_journal_access_di\n    + ocfs2_split_extent  //sub-paths call jbd2_journal_restart\n    + ocfs2_journal_dirty //crash by jbs2 ASSERT\n\ncrash stacks:\n\nPID: 11297  TASK: ffff974a676dcd00  CPU: 67  COMMAND: \"defragfs.ocfs2\"\n #0 [ffffb25d8dad3900] machine_kexec at ffffffff8386fe01\n #1 [ffffb25d8dad3958] __crash_kexec at ffffffff8395959d\n #2 [ffffb25d8dad3a20] crash_kexec at ffffffff8395a45d\n #3 [ffffb25d8dad3a38] oops_end at ffffffff83836d3f\n #4 [ffffb25d8dad3a58] do_trap at ffffffff83833205\n #5 [ffffb25d8dad3aa0] do_invalid_op at ffffffff83833aa6\n #6 [ffffb25d8dad3ac0] invalid_op at ffffffff84200d18\n    [exception RIP: jbd2_journal_dirty_metadata+0x2ba]\n    RIP: ffffffffc09ca54a  RSP: ffffb25d8dad3b70  RFLAGS: 00010207\n    RAX: 0000000000000000  RBX: ffff9706eedc5248  RCX: 0000000000000000\n    RDX: 0000000000000001  RSI: ffff97337029ea28  RDI: ffff9706eedc5250\n    RBP: ffff9703c3520200   R8: 000000000f46b0b2   R9: 0000000000000000\n    R10: 0000000000000001  R11: 00000001000000fe  R12: ffff97337029ea28\n    R13: 0000000000000000  R14: ffff9703de59bf60  R15: ffff9706eedc5250\n    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\n #7 [ffffb25d8dad3ba8] ocfs2_journal_dirty at ffffffffc137fb95 [ocfs2]\n #8 [ffffb25d8dad3be8] __ocfs2_move_extent at ffffffffc139a950 [ocfs2]\n #9 [ffffb25d8dad3c80] ocfs2_defrag_extent at ffffffffc139b2d2 [ocfs2]\n\nAnalysis\n\nThis bug has the same root cause of 'commit 7f27ec978b0e (\"ocfs2: call\nocfs2_journal_access_di() before ocfs2_journal_dirty() in\nocfs2_write_end_nolock()\")'.  For this bug, jbd2_journal_restart() is\ncalled by ocfs2_split_extent() during defragmenting.\n\nHow to fix\n\nFor ocfs2_split_extent() can handle journal operations totally by itself. \nCaller doesn't need to call journal access/dirty pair, and caller only\nneeds to call journal start/stop pair.  The fix method is to remove\njournal access/dirty from __ocfs2_move_extent().\n\nThe discussion for this patch:\nhttps://oss.oracle.com/pipermail/ocfs2-devel/2023-February/000647.html","publishedAt":"2025-10-04T15:17:07.114Z","updatedAt":"2026-05-11T19:47:24.582Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"5f43d34a51ed30e6a60f7e59d224a63014fe2cd5","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"7f3b1c28e2908755fb248d3ee8ff56826f2387db","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"669134a66d37258e1c4a5cfbd5b82f547ae30fca","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"2c559b3ba8e0b9e3c4bb08159a28ccadc698410f","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"33665d1042666f2e5c736a3df1f453e31f030663","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"8163ea90d89b7012dd1fa4b28edf5db0c641eca7","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"590507ebabd33cd93324c04f9a5538309a5ba934","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"60eed1e3d45045623e46944ebc7c42c30a4350f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/move_extents.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.0","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/move_extents.c"]}],"references":["https://git.kernel.org/stable/c/5f43d34a51ed30e6a60f7e59d224a63014fe2cd5","https://git.kernel.org/stable/c/7f3b1c28e2908755fb248d3ee8ff56826f2387db","https://git.kernel.org/stable/c/669134a66d37258e1c4a5cfbd5b82f547ae30fca","https://git.kernel.org/stable/c/2c559b3ba8e0b9e3c4bb08159a28ccadc698410f","https://git.kernel.org/stable/c/33665d1042666f2e5c736a3df1f453e31f030663","https://git.kernel.org/stable/c/8163ea90d89b7012dd1fa4b28edf5db0c641eca7","https://git.kernel.org/stable/c/590507ebabd33cd93324c04f9a5538309a5ba934","https://git.kernel.org/stable/c/60eed1e3d45045623e46944ebc7c42c30a4350f0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53564.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53564","state":"PUBLISHED","datePublished":"2025-10-04T15:17:07.114Z","dateUpdated":"2026-05-11T19:47:24.582Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:14:15.923Z"},"containers":{"cna":{"title":"ocfs2: fix defrag path triggering jbd2 ASSERT","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix defrag path triggering jbd2 ASSERT\n\ncode path:\n\nocfs2_ioctl_move_extents\n ocfs2_move_extents\n  ocfs2_defrag_extent\n   __ocfs2_move_extent\n    + ocfs2_journal_access_di\n    + ocfs2_split_extent  //sub-paths call jbd2_journal_restart\n    + ocfs2_journal_dirty //crash by jbs2 ASSERT\n\ncrash stacks:\n\nPID: 11297  TASK: ffff974a676dcd00  CPU: 67  COMMAND: \"defragfs.ocfs2\"\n #0 [ffffb25d8dad3900] machine_kexec at ffffffff8386fe01\n #1 [ffffb25d8dad3958] __crash_kexec at ffffffff8395959d\n #2 [ffffb25d8dad3a20] crash_kexec at ffffffff8395a45d\n #3 [ffffb25d8dad3a38] oops_end at ffffffff83836d3f\n #4 [ffffb25d8dad3a58] do_trap at ffffffff83833205\n #5 [ffffb25d8dad3aa0] do_invalid_op at ffffffff83833aa6\n #6 [ffffb25d8dad3ac0] invalid_op at ffffffff84200d18\n    [exception RIP: jbd2_journal_dirty_metadata+0x2ba]\n    RIP: ffffffffc09ca54a  RSP: ffffb25d8dad3b70  RFLAGS: 00010207\n    RAX: 0000000000000000  RBX: ffff9706eedc5248  RCX: 0000000000000000\n    RDX: 0000000000000001  RSI: ffff97337029ea28  RDI: ffff9706eedc5250\n    RBP: ffff9703c3520200   R8: 000000000f46b0b2   R9: 0000000000000000\n    R10: 0000000000000001  R11: 00000001000000fe  R12: ffff97337029ea28\n    R13: 0000000000000000  R14: ffff9703de59bf60  R15: ffff9706eedc5250\n    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\n #7 [ffffb25d8dad3ba8] ocfs2_journal_dirty at ffffffffc137fb95 [ocfs2]\n #8 [ffffb25d8dad3be8] __ocfs2_move_extent at ffffffffc139a950 [ocfs2]\n #9 [ffffb25d8dad3c80] ocfs2_defrag_extent at ffffffffc139b2d2 [ocfs2]\n\nAnalysis\n\nThis bug has the same root cause of 'commit 7f27ec978b0e (\"ocfs2: call\nocfs2_journal_access_di() before ocfs2_journal_dirty() in\nocfs2_write_end_nolock()\")'.  For this bug, jbd2_journal_restart() is\ncalled by ocfs2_split_extent() during defragmenting.\n\nHow to fix\n\nFor ocfs2_split_extent() can handle journal operations totally by itself. \nCaller doesn't need to call journal access/dirty pair, and caller only\nneeds to call journal start/stop pair.  The fix method is to remove\njournal access/dirty from __ocfs2_move_extent().\n\nThe discussion for this patch:\nhttps://oss.oracle.com/pipermail/ocfs2-devel/2023-February/000647.html"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"5f43d34a51ed30e6a60f7e59d224a63014fe2cd5","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"7f3b1c28e2908755fb248d3ee8ff56826f2387db","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"669134a66d37258e1c4a5cfbd5b82f547ae30fca","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"2c559b3ba8e0b9e3c4bb08159a28ccadc698410f","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"33665d1042666f2e5c736a3df1f453e31f030663","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"8163ea90d89b7012dd1fa4b28edf5db0c641eca7","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"590507ebabd33cd93324c04f9a5538309a5ba934","versionType":"git"},{"version":"8f603e567aa7a243e68ca48b4f105b990851360f","status":"affected","lessThan":"60eed1e3d45045623e46944ebc7c42c30a4350f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/move_extents.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.0","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ocfs2/move_extents.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5f43d34a51ed30e6a60f7e59d224a63014fe2cd5"},{"url":"https://git.kernel.org/stable/c/7f3b1c28e2908755fb248d3ee8ff56826f2387db"},{"url":"https://git.kernel.org/stable/c/669134a66d37258e1c4a5cfbd5b82f547ae30fca"},{"url":"https://git.kernel.org/stable/c/2c559b3ba8e0b9e3c4bb08159a28ccadc698410f"},{"url":"https://git.kernel.org/stable/c/33665d1042666f2e5c736a3df1f453e31f030663"},{"url":"https://git.kernel.org/stable/c/8163ea90d89b7012dd1fa4b28edf5db0c641eca7"},{"url":"https://git.kernel.org/stable/c/590507ebabd33cd93324c04f9a5538309a5ba934"},{"url":"https://git.kernel.org/stable/c/60eed1e3d45045623e46944ebc7c42c30a4350f0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:47:24.582Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}