{"api_version":"1","generated_at":"2026-08-22T02:51:10+00:00","cve":"CVE-2026-72161","urls":{"html":"https://cve.report/CVE-2026-72161","api":"https://cve.report/api/cve/CVE-2026-72161.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72161","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72161"},"summary":{"title":"ocfs2: add journal NULL check in ocfs2_checkpoint_inode()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: add journal NULL check in ocfs2_checkpoint_inode()\n\nDuring unmount, ocfs2_journal_shutdown() frees the journal and sets\nosb->journal to NULL. Later, when VFS evicts remaining cached inodes,\nocfs2_evict_inode() -> ocfs2_clear_inode() -> ocfs2_checkpoint_inode()\n-> ocfs2_ci_fully_checkpointed() dereferences osb->journal, causing a\nNULL pointer dereference.\n\nFix this by adding a NULL check for osb->journal in\nocfs2_checkpoint_inode(). If the journal is NULL, it has already been\nfully flushed and destroyed during shutdown, so there is nothing to\ncheckpoint.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:33","updated_at":"2026-08-17 06:18:16"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/499714de42ab4d2e778cbb10186684142a1222eb","name":"https://git.kernel.org/stable/c/499714de42ab4d2e778cbb10186684142a1222eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eb6a13834c23e291f1170cb1b489ec255edfa5a3","name":"https://git.kernel.org/stable/c/eb6a13834c23e291f1170cb1b489ec255edfa5a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7da7e4ac21895fe34cceffcfc99497cc2750da99","name":"https://git.kernel.org/stable/c/7da7e4ac21895fe34cceffcfc99497cc2750da99","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63921f790234b221e4b15c56c72888b13250f81d","name":"https://git.kernel.org/stable/c/63921f790234b221e4b15c56c72888b13250f81d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a291c77c034b7a81849ce9b71cc9ecda9e587d89","name":"https://git.kernel.org/stable/c/a291c77c034b7a81849ce9b71cc9ecda9e587d89","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/24daf13422e8328fd588c34a017bdef1949910e8","name":"https://git.kernel.org/stable/c/24daf13422e8328fd588c34a017bdef1949910e8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72161","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72161","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 24daf13422e8328fd588c34a017bdef1949910e8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 7da7e4ac21895fe34cceffcfc99497cc2750da99 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 eb6a13834c23e291f1170cb1b489ec255edfa5a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 499714de42ab4d2e778cbb10186684142a1222eb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 63921f790234b221e4b15c56c72888b13250f81d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 a291c77c034b7a81849ce9b71cc9ecda9e587d89 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72161","cve":"CVE-2026-72161","epss":"0.002050000","percentile":"0.108840000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ocfs2/journal.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"24daf13422e8328fd588c34a017bdef1949910e8","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"},{"lessThan":"7da7e4ac21895fe34cceffcfc99497cc2750da99","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"},{"lessThan":"eb6a13834c23e291f1170cb1b489ec255edfa5a3","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"},{"lessThan":"499714de42ab4d2e778cbb10186684142a1222eb","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"},{"lessThan":"63921f790234b221e4b15c56c72888b13250f81d","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"},{"lessThan":"a291c77c034b7a81849ce9b71cc9ecda9e587d89","status":"affected","version":"da5e7c87827e8caa6a1eeec6d95dcf74ab592a01","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ocfs2/journal.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: add journal NULL check in ocfs2_checkpoint_inode()\n\nDuring unmount, ocfs2_journal_shutdown() frees the journal and sets\nosb->journal to NULL. Later, when VFS evicts remaining cached inodes,\nocfs2_evict_inode() -> ocfs2_clear_inode() -> ocfs2_checkpoint_inode()\n-> ocfs2_ci_fully_checkpointed() dereferences osb->journal, causing a\nNULL pointer dereference.\n\nFix this by adding a NULL check for osb->journal in\nocfs2_checkpoint_inode(). If the journal is NULL, it has already been\nfully flushed and destroyed during shutdown, so there is nothing to\ncheckpoint."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:09:21.902Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/24daf13422e8328fd588c34a017bdef1949910e8"},{"url":"https://git.kernel.org/stable/c/7da7e4ac21895fe34cceffcfc99497cc2750da99"},{"url":"https://git.kernel.org/stable/c/eb6a13834c23e291f1170cb1b489ec255edfa5a3"},{"url":"https://git.kernel.org/stable/c/499714de42ab4d2e778cbb10186684142a1222eb"},{"url":"https://git.kernel.org/stable/c/63921f790234b221e4b15c56c72888b13250f81d"},{"url":"https://git.kernel.org/stable/c/a291c77c034b7a81849ce9b71cc9ecda9e587d89"}],"title":"ocfs2: add journal NULL check in ocfs2_checkpoint_inode()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72161","datePublished":"2026-08-15T05:53:29.670Z","dateReserved":"2026-08-09T03:40:39.909Z","dateUpdated":"2026-08-17T05:09:21.902Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:33","lastModifiedDate":"2026-08-17 06:18:16","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72161","Ordinal":"1","Title":"ocfs2: add journal NULL check in ocfs2_checkpoint_inode()","CVE":"CVE-2026-72161","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72161","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: add journal NULL check in ocfs2_checkpoint_inode()\n\nDuring unmount, ocfs2_journal_shutdown() frees the journal and sets\nosb->journal to NULL. Later, when VFS evicts remaining cached inodes,\nocfs2_evict_inode() -> ocfs2_clear_inode() -> ocfs2_checkpoint_inode()\n-> ocfs2_ci_fully_checkpointed() dereferences osb->journal, causing a\nNULL pointer dereference.\n\nFix this by adding a NULL check for osb->journal in\nocfs2_checkpoint_inode(). If the journal is NULL, it has already been\nfully flushed and destroyed during shutdown, so there is nothing to\ncheckpoint.","Type":"Description","Title":"ocfs2: add journal NULL check in ocfs2_checkpoint_inode()"}]}}}