{"id":"CVE-2025-21772","revision":null,"records":[{"revision":"a7762711cf5a4f47bb166b0e3ac8506b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-21772","aliases":[],"title":"partitions: mac: fix handling of bogus partition table","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npartitions: mac: fix handling of bogus partition table\n\nFix several issues in partition probing:\n\n - The bailout for a bad partoffset must use put_dev_sector(), since the\n preceding read_part_sector() succeeded.\n - If the partition table claims a silly sector size like 0xfff bytes\n (which results in partition table entries straddling sector boundaries),\n bail out instead of accessing out-of-bounds memory.\n - We must not assume that the partition table contains proper NUL\n termination - use strnlen() and strncmp() instead of strlen() and\n strcmp().","state":0,"publishedAt":"2025-02-27T02:18:19.528+00:00","modifiedAt":"2026-10-15T21:51:52.838+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 \"block/partitions/mac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"a3e77da9f843e4ab93917d30c314f0283e28c124\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"213ba5bd81b7e97ac6e6190b8f3bc6ba76123625\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"40a35d14f3c0dc72b689061ec72fc9b193f37d1f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"27a39d006f85e869be68c1d5d2ce05e5d6445bf5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"92527100be38ede924768f4277450dfe8a40e16b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"6578717ebca91678131d2b1f4ba4258e60536e9f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"7fa9706722882f634090bfc9af642bf9ed719e27\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"02e2a5bfebe99edcf9d694575a75032d53fe1b73\",\n \"lessThan\": \"80e648042e512d5a767da251d44132553fe04ae0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"81a319c5c29913a23947f3d28513974682f3af03\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"34a906cd9f6445d9510841667eff0d980279ebf3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2a27f61bd411e564eb4651c18d225f6e9e1de534\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"69aad7e01c8e883e9d2f8dc5523bd419bd02d2aa\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7f4f03c4a1e9a4b9679feafe7625a780864a4e76\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3.2.75\",\n \"lessThan\": \"3.3\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.4.113\",\n \"lessThan\": \"3.5\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.10.99\",\n \"lessThan\": \"3.11\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.12.56\",\n \"lessThan\": \"3.13\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.14.63\",\n \"lessThan\": \"3.15\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\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 \"block/partitions/mac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.4\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.4\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.291\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.235\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.179\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.129\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.79\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.16\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.13.4\",\n \"lessThanOrEqual\": \"6.13.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.14\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/a3e77da9f843e4ab93917d30c314f0283e28c124","https://git.kernel.org/stable/c/213ba5bd81b7e97ac6e6190b8f3bc6ba76123625","https://git.kernel.org/stable/c/40a35d14f3c0dc72b689061ec72fc9b193f37d1f","https://git.kernel.org/stable/c/27a39d006f85e869be68c1d5d2ce05e5d6445bf5","https://git.kernel.org/stable/c/92527100be38ede924768f4277450dfe8a40e16b","https://git.kernel.org/stable/c/6578717ebca91678131d2b1f4ba4258e60536e9f","https://git.kernel.org/stable/c/7fa9706722882f634090bfc9af642bf9ed719e27","https://git.kernel.org/stable/c/80e648042e512d5a767da251d44132553fe04ae0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-21772","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-21772","identifiers":["CVE-2025-21772"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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