CVE-2026-72161

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72161", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.909Z", "datePublished": "2026-08-15T05:53:29.670Z", "dateUpdated": "2026-08-17T05:09:21.902Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:09:21.902Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/journal.h"], "versions": [{"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "24daf13422e8328fd588c34a017bdef1949910e8", "status": "affected", "versionType": "git"}, {"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "7da7e4ac21895fe34cceffcfc99497cc2750da99", "status": "affected", "versionType": "git"}, {"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "eb6a13834c23e291f1170cb1b489ec255edfa5a3", "status": "affected", "versionType": "git"}, {"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "499714de42ab4d2e778cbb10186684142a1222eb", "status": "affected", "versionType": "git"}, {"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "63921f790234b221e4b15c56c72888b13250f81d", "status": "affected", "versionType": "git"}, {"version": "da5e7c87827e8caa6a1eeec6d95dcf74ab592a01", "lessThan": "a291c77c034b7a81849ce9b71cc9ecda9e587d89", "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/ocfs2/journal.h"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.16", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-72161", "lastModified": "2026-08-17T06:18:16.387", "metrics": {}, "published": "2026-08-15T06:21:33.983", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/24daf13422e8328fd588c34a017bdef1949910e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/499714de42ab4d2e778cbb10186684142a1222eb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63921f790234b221e4b15c56c72888b13250f81d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7da7e4ac21895fe34cceffcfc99497cc2750da99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a291c77c034b7a81849ce9b71cc9ecda9e587d89"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb6a13834c23e291f1170cb1b489ec255edfa5a3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ocfs2: add journal NULL check in ocfs2_checkpoint_inode()", "id": "2516654", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516654"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the ocfs2 component of the Linux kernel. A local user could trigger a NULL pointer dereference during the unmount process of an ocfs2 filesystem. This occurs because the system attempts to access a freed journal pointer, leading to a system crash and a Denial of Service (DoS)."], "name": "CVE-2026-72161", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72161\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72161\nhttps://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-72161-c625@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,24daf13422e8328fd588c34a017bdef1949910e8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,7da7e4ac21895fe34cceffcfc99497cc2750da99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,eb6a13834c23e291f1170cb1b489ec255edfa5a3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,499714de42ab4d2e778cbb10186684142a1222eb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,63921f790234b221e4b15c56c72888b13250f81d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da5e7c87827e8caa6a1eeec6d95dcf74ab592a01,a291c77c034b7a81849ce9b71cc9ecda9e587d89)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T15:00:03.921480+00:00", "updated": "2026-08-22T09:45:04.226211+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}