{"id":"CVE-2023-53044","title":"dm stats: check for and propagate alloc_percpu failure","summary":"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 …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 2287d7b721471a3d58bcd829250336e3cdf1635e","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 0d96bd507ed7e7d565b6d53ebd3874686f123b2e","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 4a32a9a818a895671bd43e0c40351e60e4e9140b","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < c68f08cc745675a17894e1b4a5b5b9700ace6da4","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 443c9d522397511a4328dc2ec3c9c63c73049756","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < a42180dd361584816bfe15c137b665699b994d90","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 5b66e36a3efd24041b7374432bfa4dec2ff01e95","Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < d3aa3e060c4a80827eb801fc448debc9daa7c46b","Linux 3.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:15:17.886519Z"},"published":"2025-05-02","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:55.991Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53044","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"}],"tags":["cve.org"],"epss":0.00202,"epssPercentile":0.10263,"ingestedAt":"2026-11-05T22:38:31.757Z","slug":"CVE-2023-53044","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 2287d7b721471a3d58bcd829250336e3cdf1635e`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 0d96bd507ed7e7d565b6d53ebd3874686f123b2e`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 4a32a9a818a895671bd43e0c40351e60e4e9140b`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < c68f08cc745675a17894e1b4a5b5b9700ace6da4`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 443c9d522397511a4328dc2ec3c9c63c73049756`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < a42180dd361584816bfe15c137b665699b994d90`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < 5b66e36a3efd24041b7374432bfa4dec2ff01e95`\n- `Linux >= fd2ed4d252701d3bbed4cd3e3d267ad469bb832a < d3aa3e060c4a80827eb801fc448debc9daa7c46b`\n- `Linux 3.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}