{"schema_version":"1.9.0","id":"CVE-2022-50496","published":"2025-10-04T15:43:47.948Z","modified":"2026-08-12T03:51:32.373719200Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4135-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4188-1","SUSE-SU-2025:4189-1","SUSE-SU-2025:4320-1"],"summary":"dm cache: Fix UAF in destroy()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: Fix UAF in destroy()\n\nDm_cache also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in destroy().","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17"},{"fixed":"034cbc8d3b47a56acd89453c29632a9c117de09d"},{"fixed":"993406104d2b28fe470126a062ad37a1e21e792e"},{"fixed":"4d20032dd90664de09f2902a7ea49ae2f7771746"},{"fixed":"2f097dfac7579fd84ff98eb1d3acd41d53a485f3"},{"fixed":"2b17026685a270b2beaf1cdd9857fcedd3505c7e"},{"fixed":"d2a0b298ebf83ab6236f66788a3541e91ce75a70"},{"fixed":"6ac4f36910764cb510bafc4c3768544f86ca48ca"},{"fixed":"6a3e412c2ab131c54945327a7676b006f000a209"},{"fixed":"6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50496.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"4.9.337"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.303"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"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/cve-osv-conversion/osv-output/CVE-2022-50496.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50496.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50496"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50496.json"}}