{"id":"CVE-2026-80963","revision":"5ca0a75f4abe4a54a3a33833cba0cc3d","records":[{"revision":"5ca0a75f4abe4a54a3a33833cba0cc3d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80963","aliases":[],"title":"dm-stats: fix a crash if allocation of per-cpu data fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-stats: fix a crash if allocation of per-cpu data fails\n\nIf \"dm_kvzalloc(percpu_alloc_size, cpu_to_node(cpu))\" fails, the code\njumps to the \"out\" label and calls dm_stat_free. dm_stat_free does\n\"for_each_possible_cpu(cpu) { dm_kvfree(s->stat_percpu[cpu][0].histogram,\ns->histogram_alloc_size);\", which crashes with NULL pointer dereference\nif s->stat_percpu[cpu] is NULL.\n\nThis commit fixes the bug by testing s->stat_percpu[cpu] for NULL before\nusing it.","state":0,"publishedAt":"2026-09-11T19:42:29.172+00:00","modifiedAt":"2026-10-19T08:45:47.19+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/md/dm-stats.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"e45f0b0c41139810ff395ba2f3cfca1460a5b8a6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"9805d87d0e26c68ee69da3928e665214d2e2851a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"564d17573ef643c13cf6e9015124a205fa65e704\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"389a50d094e13724f5f45e6d9d6ef734c98ba291\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"c3f211b7a277dd404b4e7d23095be964b5b46a27\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"74210fa072960a18bb0eead487585452af722e4f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"0c8f7870ed3ebd512f090d7714cc2c556b9e5c75\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a\",\n                            \"lessThan\": \"cc87e26d9cce22061dc21e51e11afef29dbbc36a\",\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/md/dm-stats.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\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\": \"6.12.109\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\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/e45f0b0c41139810ff395ba2f3cfca1460a5b8a6","https://git.kernel.org/stable/c/9805d87d0e26c68ee69da3928e665214d2e2851a","https://git.kernel.org/stable/c/564d17573ef643c13cf6e9015124a205fa65e704","https://git.kernel.org/stable/c/389a50d094e13724f5f45e6d9d6ef734c98ba291","https://git.kernel.org/stable/c/c3f211b7a277dd404b4e7d23095be964b5b46a27","https://git.kernel.org/stable/c/74210fa072960a18bb0eead487585452af722e4f","https://git.kernel.org/stable/c/0c8f7870ed3ebd512f090d7714cc2c556b9e5c75","https://git.kernel.org/stable/c/cc87e26d9cce22061dc21e51e11afef29dbbc36a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80963","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80963","identifiers":["CVE-2026-80963"]},"retained":false,"historicalAffected":[]}],"coverage":[]}