{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50843","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:07.133Z","datePublished":"2025-12-30T12:11:01.130Z","dateUpdated":"2026-05-11T19:26:11.293Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:26:11.293Z"},"descriptions":[{"lang":"en","value":"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()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-clone-target.c"],"versions":[{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"520b56cfd9faee7683f081c3a38f11a81b13a68e","status":"affected","versionType":"git"},{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"342cfd8426dff4228e6c714bcb9fc8295a2748dd","status":"affected","versionType":"git"},{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"856edd0e92f3fe89606b704c86a93daedddfe6ec","status":"affected","versionType":"git"},{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"b1ddb666073bb5f36390aaabaa1a4d48d78c52ed","status":"affected","versionType":"git"},{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff","status":"affected","versionType":"git"},{"version":"7431b7835f554f8608b415a02cf3c3f086309e02","lessThan":"e4b5957c6f749a501c464f92792f1c8e26b61a94","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-clone-target.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","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":"5.4","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e"},{"url":"https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd"},{"url":"https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec"},{"url":"https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"},{"url":"https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"},{"url":"https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94"}],"title":"dm clone: Fix UAF in clone_dtr()","x_generator":{"engine":"bippy-1.2.0"}}}}