{"id":"CVE-2023-53091","state":"PUBLISHED","title":"ext4: update s_journal_inum if it changes after journal replay","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: update s_journal_inum if it changes after journal replay\n\nWhen mounting a crafted ext4 image, s_journal_inum may change after journal\nreplay, which is obviously unreasonable because we have successfully loaded\nand replayed the journal through the old s_journal_inum. And the new\ns_journal_inum bypasses some of the checks in ext4_get_journal(), which\nmay trigger a null pointer dereference problem. So if s_journal_inum\nchanges after the journal replay, we ignore the change, and rewrite the\ncurrent journal_inum to the superblock.","publishedAt":"2025-05-02T15:55:36.852Z","updatedAt":"2026-05-23T15:27:59.253Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"499fef2030fb754c68b1c7cb3a799a3bc1d0d925","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"70e66bdeae4d0f7c8e87762f425b68aedd5e8955","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"ee0c5277d4fab920bd31345c49e193ecede9ecef","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"3039d8b8692408438a618fac2776b629852663c3","versionType":"git"},{"version":"51890201da4d654f6ca131bc45a0e892bb10de1d","status":"affected","versionType":"git"},{"version":"7eff961ca9f364be255d279346517ba0158ec8e3","status":"affected","versionType":"git"},{"version":"a9855260fe8d8680bf8c4f0d8303b696c861e99b","status":"affected","versionType":"git"},{"version":"795762468125a6412c089651e74f780bee154118","status":"affected","versionType":"git"},{"version":"2fd4629de51974002f4e9cf1a35a1926dd6c9d99","status":"affected","versionType":"git"},{"version":"3.16.85","status":"affected","lessThan":"3.17","versionType":"semver"},{"version":"4.4.221","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.9.221","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.178","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.73","status":"affected","lessThan":"4.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.15.104","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.21","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.8","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/ext4/super.c"]}],"references":["https://git.kernel.org/stable/c/499fef2030fb754c68b1c7cb3a799a3bc1d0d925","https://git.kernel.org/stable/c/70e66bdeae4d0f7c8e87762f425b68aedd5e8955","https://git.kernel.org/stable/c/ee0c5277d4fab920bd31345c49e193ecede9ecef","https://git.kernel.org/stable/c/3039d8b8692408438a618fac2776b629852663c3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53091.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53091","state":"PUBLISHED","datePublished":"2025-05-02T15:55:36.852Z","dateUpdated":"2026-05-23T15:27:59.253Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-02T15:51:43.552Z"},"containers":{"cna":{"title":"ext4: update s_journal_inum if it changes after journal replay","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: update s_journal_inum if it changes after journal replay\n\nWhen mounting a crafted ext4 image, s_journal_inum may change after journal\nreplay, which is obviously unreasonable because we have successfully loaded\nand replayed the journal through the old s_journal_inum. And the new\ns_journal_inum bypasses some of the checks in ext4_get_journal(), which\nmay trigger a null pointer dereference problem. So if s_journal_inum\nchanges after the journal replay, we ignore the change, and rewrite the\ncurrent journal_inum to the superblock."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"499fef2030fb754c68b1c7cb3a799a3bc1d0d925","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"70e66bdeae4d0f7c8e87762f425b68aedd5e8955","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"ee0c5277d4fab920bd31345c49e193ecede9ecef","versionType":"git"},{"version":"345c0dbf3a30872d9b204db96b5857cd00808cae","status":"affected","lessThan":"3039d8b8692408438a618fac2776b629852663c3","versionType":"git"},{"version":"51890201da4d654f6ca131bc45a0e892bb10de1d","status":"affected","versionType":"git"},{"version":"7eff961ca9f364be255d279346517ba0158ec8e3","status":"affected","versionType":"git"},{"version":"a9855260fe8d8680bf8c4f0d8303b696c861e99b","status":"affected","versionType":"git"},{"version":"795762468125a6412c089651e74f780bee154118","status":"affected","versionType":"git"},{"version":"2fd4629de51974002f4e9cf1a35a1926dd6c9d99","status":"affected","versionType":"git"},{"version":"3.16.85","status":"affected","lessThan":"3.17","versionType":"semver"},{"version":"4.4.221","status":"affected","lessThan":"4.5","versionType":"semver"},{"version":"4.9.221","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.178","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.73","status":"affected","lessThan":"4.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.15.104","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.21","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.8","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/ext4/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/499fef2030fb754c68b1c7cb3a799a3bc1d0d925"},{"url":"https://git.kernel.org/stable/c/70e66bdeae4d0f7c8e87762f425b68aedd5e8955"},{"url":"https://git.kernel.org/stable/c/ee0c5277d4fab920bd31345c49e193ecede9ecef"},{"url":"https://git.kernel.org/stable/c/3039d8b8692408438a618fac2776b629852663c3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:27:59.253Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.104"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.1.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.73"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}