{"id":"CVE-2026-31651","revision":null,"records":[{"revision":"e969fbdd3cec41839afc201a5cb5032e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31651","aliases":[],"title":"mmc: vub300: fix NULL-deref on disconnect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: vub300: fix NULL-deref on disconnect\n\nMake sure to deregister the controller before dropping the reference to\nthe driver data on disconnect to avoid NULL-pointer dereferences or\nuse-after-free.","state":0,"publishedAt":"2026-04-24T14:45:03.905+00:00","modifiedAt":"2026-10-15T01:17:30.725+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 \"drivers/mmc/host/vub300.c\"\n ],\n \"versions\": [\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"6446516e626ce7c44bdadbcbb3d7677a2c52ce93\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"ba3b9429de94958dc0060d9816a915dd75c34919\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"517b58e1d067115f80d198feee10192da4c424d0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"53f2642d77ab5f1f303388bff5500363c6cf962c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"c83a282615d8f7ba28cebddd54600b419d562d82\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"8d09e75759cb2afc0732acfb5a14a93c03805a61\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"88095e7b473a3d9ec3b9c60429576e9cbd327c89\",\n \"lessThan\": \"dff34ef879c5e73298443956a8b391311ba78d57\",\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 \"drivers/mmc/host/vub300.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.0\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.0\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.253\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.203\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.169\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.135\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.82\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.23\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.13\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93","https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919","https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0","https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a","https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c","https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82","https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61","https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31651","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31651","identifiers":["CVE-2026-31651"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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