{"id":"CVE-2022-50843","summary":"dm clone: Fix UAF in clone_dtr()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm clone: Fix UAF in clone_dtr()\n\nDm_clone also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in clone_dtr().","modified":"2026-03-20T11:47:39.116134Z","published":"2025-12-30T12:11:01.130Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0350-1","SUSE-SU-2026:0369-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0617-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50843.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50843.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50843"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7431b7835f554f8608b415a02cf3c3f086309e02"},{"fixed":"520b56cfd9faee7683f081c3a38f11a81b13a68e"},{"fixed":"342cfd8426dff4228e6c714bcb9fc8295a2748dd"},{"fixed":"856edd0e92f3fe89606b704c86a93daedddfe6ec"},{"fixed":"b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"},{"fixed":"9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"},{"fixed":"e4b5957c6f749a501c464f92792f1c8e26b61a94"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50843.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.4.0"},{"fixed":"5.4.229"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.163"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.87"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.18"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50843.json"}}],"schema_version":"1.7.5"}