{"id":"CVE-2026-68157","revision":null,"records":[{"revision":"5cc5cc96bfb2494084590b5c8f40a70c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68157","aliases":[],"title":"libceph: guard missing CRUSH type name lookup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: guard missing CRUSH type name lookup\n\nLocalized read selection can walk a parent bucket whose name exists in\nthe CRUSH map while its type has no matching entry in type_names.\nget_immediate_parent() then dereferences a NULL type_cn and passes an\ninvalid pointer into strcmp(), causing a null-ptr-deref.\n\nSkip such malformed parent buckets unless both the bucket name and type\nname metadata are present. This keeps malformed hierarchy data from\ncrashing locality lookup and safely falls back to \"not local\".\n\n[ idryomov: add WARN_ON_ONCE ]","state":0,"publishedAt":"2026-08-10T11:59:23.692+00:00","modifiedAt":"2026-10-19T20:58:54.933+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 \"net/ceph/osdmap.c\"\n ],\n \"versions\": [\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"cbfcba275326c8c7dae9acd8f4a0d4c316fdafb0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"8ff579ac03d6e9d17d6d9c8443110167c14a382d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"6a4b75d90f0cfbf22c14742ab35a803bc13f36ec\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"c46d82c47afc968d6ee8ef4470fa2dd35b765c21\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"3767c9f0c1bbd98dd25cb088356a0fc6c1f09f50\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"4716a64b7cc2797741f7be4e283ace78a9dff37d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"db9cc9fd9660b2d69ee66f5a4cbec83c21a1c64d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"117d96a04f007ce8fc2e292369056c3bd09f6f63\",\n \"lessThan\": \"bbeae12fda3384a90fbebc8a19ba9d33f85b5361\",\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 \"net/ceph/osdmap.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.265\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.216\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.183\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.148\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.101\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.42\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.6\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/cbfcba275326c8c7dae9acd8f4a0d4c316fdafb0","https://git.kernel.org/stable/c/8ff579ac03d6e9d17d6d9c8443110167c14a382d","https://git.kernel.org/stable/c/6a4b75d90f0cfbf22c14742ab35a803bc13f36ec","https://git.kernel.org/stable/c/c46d82c47afc968d6ee8ef4470fa2dd35b765c21","https://git.kernel.org/stable/c/3767c9f0c1bbd98dd25cb088356a0fc6c1f09f50","https://git.kernel.org/stable/c/4716a64b7cc2797741f7be4e283ace78a9dff37d","https://git.kernel.org/stable/c/db9cc9fd9660b2d69ee66f5a4cbec83c21a1c64d","https://git.kernel.org/stable/c/bbeae12fda3384a90fbebc8a19ba9d33f85b5361"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68157","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68157","identifiers":["CVE-2026-68157"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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