{"id":"CVE-2023-53044","state":"PUBLISHED","title":"dm stats: check for and propagate alloc_percpu failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm stats: check for and propagate alloc_percpu failure\n\nCheck alloc_precpu()'s return value and return an error from\ndm_stats_init() if it fails. Update alloc_dev() to fail if\ndm_stats_init() does.\n\nOtherwise, a NULL pointer dereference will occur in dm_stats_cleanup()\neven if dm-stats isn't being actively used.","publishedAt":"2025-05-02T15:55:01.444Z","updatedAt":"2026-05-11T19:37:28.811Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"2287d7b721471a3d58bcd829250336e3cdf1635e","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"0d96bd507ed7e7d565b6d53ebd3874686f123b2e","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"4a32a9a818a895671bd43e0c40351e60e4e9140b","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"c68f08cc745675a17894e1b4a5b5b9700ace6da4","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"443c9d522397511a4328dc2ec3c9c63c73049756","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"a42180dd361584816bfe15c137b665699b994d90","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"5b66e36a3efd24041b7374432bfa4dec2ff01e95","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"d3aa3e060c4a80827eb801fc448debc9daa7c46b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c","drivers/md/dm-stats.h","drivers/md/dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"4.14.312","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.280","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.240","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.177","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c","drivers/md/dm-stats.h","drivers/md/dm.c"]}],"references":["https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e","https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e","https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b","https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4","https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756","https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90","https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95","https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53044.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53044","state":"PUBLISHED","datePublished":"2025-05-02T15:55:01.444Z","dateUpdated":"2026-05-11T19:37:28.811Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:18:43.827Z"},"containers":{"cna":{"title":"dm stats: check for and propagate alloc_percpu failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm stats: check for and propagate alloc_percpu failure\n\nCheck alloc_precpu()'s return value and return an error from\ndm_stats_init() if it fails. Update alloc_dev() to fail if\ndm_stats_init() does.\n\nOtherwise, a NULL pointer dereference will occur in dm_stats_cleanup()\neven if dm-stats isn't being actively used."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"2287d7b721471a3d58bcd829250336e3cdf1635e","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"0d96bd507ed7e7d565b6d53ebd3874686f123b2e","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"4a32a9a818a895671bd43e0c40351e60e4e9140b","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"c68f08cc745675a17894e1b4a5b5b9700ace6da4","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"443c9d522397511a4328dc2ec3c9c63c73049756","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"a42180dd361584816bfe15c137b665699b994d90","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"5b66e36a3efd24041b7374432bfa4dec2ff01e95","versionType":"git"},{"version":"fd2ed4d252701d3bbed4cd3e3d267ad469bb832a","status":"affected","lessThan":"d3aa3e060c4a80827eb801fc448debc9daa7c46b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c","drivers/md/dm-stats.h","drivers/md/dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"4.14.312","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.280","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.240","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.177","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.105","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.22","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.9","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-stats.c","drivers/md/dm-stats.h","drivers/md/dm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e"},{"url":"https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e"},{"url":"https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b"},{"url":"https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4"},{"url":"https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756"},{"url":"https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90"},{"url":"https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95"},{"url":"https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:37:28.811Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"4.14.312"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"4.19.280"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.4.240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.10.177"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"5.15.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.1.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}