CVE-2026-89989

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89989", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.780Z", "datePublished": "2026-09-16T10:33:03.703Z", "dateUpdated": "2026-10-19T08:56:03.599Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:56:03.599Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nima: Check for ERR_PTR from dentry_path() in validate_hash_algo()\n\ndentry_path() returns ERR_PTR(-ENAMETOOLONG) when the path exceeds the\nbuffer. validate_hash_algo() passes the result straight to\nintegrity_audit_msg() without checking. ERR_PTR is not NULL, so\nintegrity_audit_message() sees a valid pointer and calls strlen() on\nit, which faults:\n\n BUG: unable to handle page fault for address: ffffffffffffffdc\n RIP: 0010:strlen+0x30/0xa0\n Call Trace:\n audit_log_untrustedstring+0x19/0x30\n integrity_audit_message+0x366/0x4f0\n ima_inode_setxattr+0x512/0x5f0\n\nCheck for IS_ERR() and use NULL instead, which makes the audit message\nskip the name= field instead of crashing."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/integrity/ima/ima_appraise.c"], "versions": [{"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "d6fade89903c8fd0af6c956242aec8b927040e02", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "0de5b525c0cd7d202848b8adfde3c01c287fb1a6", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "30b5c0e17dcad72b6b2f987319aa645570e6376d", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "9e69d683ebd7def04557fe758ff123105d7d9840", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "f8a2f2a4602318eb93d49d27fd0d0fdaab17edde", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "d62a84a78de5f29c642fa3bd4eee072ba7289cb4", "status": "affected", "versionType": "git"}, {"version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "lessThan": "8861f6d5c0678a7c5089c7b272509fc5931b8437", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/integrity/ima/ima_appraise.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.51", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.15", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d6fade89903c8fd0af6c956242aec8b927040e02"}, {"url": "https://git.kernel.org/stable/c/0de5b525c0cd7d202848b8adfde3c01c287fb1a6"}, {"url": "https://git.kernel.org/stable/c/30b5c0e17dcad72b6b2f987319aa645570e6376d"}, {"url": "https://git.kernel.org/stable/c/9e69d683ebd7def04557fe758ff123105d7d9840"}, {"url": "https://git.kernel.org/stable/c/f8a2f2a4602318eb93d49d27fd0d0fdaab17edde"}, {"url": "https://git.kernel.org/stable/c/d62a84a78de5f29c642fa3bd4eee072ba7289cb4"}, {"url": "https://git.kernel.org/stable/c/8861f6d5c0678a7c5089c7b272509fc5931b8437"}], "title": "ima: Check for ERR_PTR from dentry_path() in validate_hash_algo()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["security/integrity/ima/ima_appraise.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d6fade89903c8fd0af6c956242aec8b927040e02", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "0de5b525c0cd7d202848b8adfde3c01c287fb1a6", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "30b5c0e17dcad72b6b2f987319aa645570e6376d", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "9e69d683ebd7def04557fe758ff123105d7d9840", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "f8a2f2a4602318eb93d49d27fd0d0fdaab17edde", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "d62a84a78de5f29c642fa3bd4eee072ba7289cb4", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}, {"lessThan": "8861f6d5c0678a7c5089c7b272509fc5931b8437", "status": "affected", "version": "4f2946aa0c45c78b4f4ef101bab9694e38c68db0", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["security/integrity/ima/ima_appraise.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"lessThan": "5.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nima: Check for ERR_PTR from dentry_path() in validate_hash_algo()\n\ndentry_path() returns ERR_PTR(-ENAMETOOLONG) when the path exceeds the\nbuffer. validate_hash_algo() passes the result straight to\nintegrity_audit_msg() without checking. ERR_PTR is not NULL, so\nintegrity_audit_message() sees a valid pointer and calls strlen() on\nit, which faults:\n\n BUG: unable to handle page fault for address: ffffffffffffffdc\n RIP: 0010:strlen+0x30/0xa0\n Call Trace:\n audit_log_untrustedstring+0x19/0x30\n integrity_audit_message+0x366/0x4f0\n ima_inode_setxattr+0x512/0x5f0\n\nCheck for IS_ERR() and use NULL instead, which makes the audit message\nskip the name= field instead of crashing."}], "id": "CVE-2026-89989", "lastModified": "2026-10-19T09:18:45.997", "metrics": {}, "published": "2026-09-16T11:17:10.010", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0de5b525c0cd7d202848b8adfde3c01c287fb1a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30b5c0e17dcad72b6b2f987319aa645570e6376d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8861f6d5c0678a7c5089c7b272509fc5931b8437"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e69d683ebd7def04557fe758ff123105d7d9840"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d62a84a78de5f29c642fa3bd4eee072ba7289cb4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6fade89903c8fd0af6c956242aec8b927040e02"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f8a2f2a4602318eb93d49d27fd0d0fdaab17edde"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,d6fade89903c8fd0af6c956242aec8b927040e02)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,0de5b525c0cd7d202848b8adfde3c01c287fb1a6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,30b5c0e17dcad72b6b2f987319aa645570e6376d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,9e69d683ebd7def04557fe758ff123105d7d9840)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,f8a2f2a4602318eb93d49d27fd0d0fdaab17edde)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,d62a84a78de5f29c642fa3bd4eee072ba7289cb4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4f2946aa0c45c78b4f4ef101bab9694e38c68db0,8861f6d5c0678a7c5089c7b272509fc5931b8437)"}}], "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": "5.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.221,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.188,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc2,*]"}}], "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": "2026-09-18T04:00:03.423852+00:00", "updated": "2026-09-18T21:15:13.975047+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}