{"id":"CVE-2026-89989","revision":"630f5f797a354715a47ab40047423664","records":[{"revision":"630f5f797a354715a47ab40047423664","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89989","aliases":[],"title":"ima: Check for ERR_PTR from dentry_path() in validate_hash_algo()","description":"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.","state":0,"publishedAt":"2026-09-16T10:33:03.703+00:00","modifiedAt":"2026-10-19T08:56:03.599+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"security/integrity/ima/ima_appraise.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"d6fade89903c8fd0af6c956242aec8b927040e02\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"0de5b525c0cd7d202848b8adfde3c01c287fb1a6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"30b5c0e17dcad72b6b2f987319aa645570e6376d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"9e69d683ebd7def04557fe758ff123105d7d9840\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"f8a2f2a4602318eb93d49d27fd0d0fdaab17edde\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"d62a84a78de5f29c642fa3bd4eee072ba7289cb4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4f2946aa0c45c78b4f4ef101bab9694e38c68db0\",\n                            \"lessThan\": \"8861f6d5c0678a7c5089c7b272509fc5931b8437\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"security/integrity/ima/ima_appraise.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d6fade89903c8fd0af6c956242aec8b927040e02","https://git.kernel.org/stable/c/0de5b525c0cd7d202848b8adfde3c01c287fb1a6","https://git.kernel.org/stable/c/30b5c0e17dcad72b6b2f987319aa645570e6376d","https://git.kernel.org/stable/c/9e69d683ebd7def04557fe758ff123105d7d9840","https://git.kernel.org/stable/c/f8a2f2a4602318eb93d49d27fd0d0fdaab17edde","https://git.kernel.org/stable/c/d62a84a78de5f29c642fa3bd4eee072ba7289cb4","https://git.kernel.org/stable/c/8861f6d5c0678a7c5089c7b272509fc5931b8437"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89989","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89989","identifiers":["CVE-2026-89989"]},"retained":false,"historicalAffected":[]}],"coverage":[]}