{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80963","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.810Z","datePublished":"2026-09-11T19:42:29.172Z","dateUpdated":"2026-09-14T11:59:09.674Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-14T11:59:09.674Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c"],"versions":[{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"e45f0b0c41139810ff395ba2f3cfca1460a5b8a6","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"9805d87d0e26c68ee69da3928e665214d2e2851a","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"564d17573ef643c13cf6e9015124a205fa65e704","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"389a50d094e13724f5f45e6d9d6ef734c98ba291","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"c3f211b7a277dd404b4e7d23095be964b5b46a27","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"74210fa072960a18bb0eead487585452af722e4f","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"0c8f7870ed3ebd512f090d7714cc2c556b9e5c75","status":"affected","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","lessThan":"cc87e26d9cce22061dc21e51e11afef29dbbc36a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c"],"versions":[{"version":"3.12","status":"affected"},{"version":"0","lessThan":"3.12","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.109","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.50","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.4","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e45f0b0c41139810ff395ba2f3cfca1460a5b8a6"},{"url":"https://git.kernel.org/stable/c/9805d87d0e26c68ee69da3928e665214d2e2851a"},{"url":"https://git.kernel.org/stable/c/564d17573ef643c13cf6e9015124a205fa65e704"},{"url":"https://git.kernel.org/stable/c/389a50d094e13724f5f45e6d9d6ef734c98ba291"},{"url":"https://git.kernel.org/stable/c/c3f211b7a277dd404b4e7d23095be964b5b46a27"},{"url":"https://git.kernel.org/stable/c/74210fa072960a18bb0eead487585452af722e4f"},{"url":"https://git.kernel.org/stable/c/0c8f7870ed3ebd512f090d7714cc2c556b9e5c75"},{"url":"https://git.kernel.org/stable/c/cc87e26d9cce22061dc21e51e11afef29dbbc36a"}],"title":"dm-stats: fix a crash if allocation of per-cpu data fails","x_generator":{"engine":"bippy-1.2.0"}}}}