{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50496","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-04T15:39:19.464Z","datePublished":"2025-10-04T15:43:47.948Z","dateUpdated":"2026-05-11T19:20:34.603Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:20:34.603Z"},"descriptions":[{"lang":"en","value":"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":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-cache-target.c"],"versions":[{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"034cbc8d3b47a56acd89453c29632a9c117de09d","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"993406104d2b28fe470126a062ad37a1e21e792e","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"4d20032dd90664de09f2902a7ea49ae2f7771746","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"2f097dfac7579fd84ff98eb1d3acd41d53a485f3","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"2b17026685a270b2beaf1cdd9857fcedd3505c7e","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"d2a0b298ebf83ab6236f66788a3541e91ce75a70","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"6ac4f36910764cb510bafc4c3768544f86ca48ca","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"6a3e412c2ab131c54945327a7676b006f000a209","status":"affected","versionType":"git"},{"version":"c6b4fcbad044e6fffcc75bba160e720eb8d67d17","lessThan":"6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa","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-cache-target.c"],"versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","status":"unaffected","versionType":"semver"},{"version":"4.9.337","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.303","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.270","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.229","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.163","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.87","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.18","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.4","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","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":"3.9","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d"},{"url":"https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e"},{"url":"https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746"},{"url":"https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3"},{"url":"https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e"},{"url":"https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70"},{"url":"https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca"},{"url":"https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209"},{"url":"https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa"}],"title":"dm cache: Fix UAF in destroy()","x_generator":{"engine":"bippy-1.2.0"}}}}