{"id":"CVE-2022-50482","state":"PUBLISHED","title":"iommu/vt-d: Clean up si_domain in the init_dmars() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Clean up si_domain in the init_dmars() error path\n\nA splat from kmem_cache_destroy() was seen with a kernel prior to\ncommit ee2653bbe89d (\"iommu/vt-d: Remove domain and devinfo mempool\")\nwhen there was a failure in init_dmars(), because the iommu_domain\ncache still had objects. While the mempool code is now gone, there\nstill is a leak of the si_domain memory if init_dmars() fails. So\nclean up si_domain in the init_dmars() error path.","publishedAt":"2025-10-04T15:16:41.033Z","updatedAt":"2026-05-11T19:20:20.843Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"749bea542b67513e99240dc58bbfc099e842d508","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"5cecfe151874b835331efe086bbdcaeaf64f6b90","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"724483b585a1b1e063d42ac5aa835707ff2ec165","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"d74196bb278b8f8af88e16bd595997dfa3d6fdb0","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"0365d6af75f9f2696e94a0fef24a2c8464c037c8","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"c4ad3ae4c6be9d8b0701761c839771116bca6ea3","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"620bf9f981365c18cc2766c53d92bf8131c63f32","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.14.298","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.264","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.221","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.152","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.76","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.6","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]}],"references":["https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508","https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90","https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165","https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0","https://git.kernel.org/stable/c/0365d6af75f9f2696e94a0fef24a2c8464c037c8","https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3","https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50482.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50482","state":"PUBLISHED","datePublished":"2025-10-04T15:16:41.033Z","dateUpdated":"2026-05-11T19:20:20.843Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:13:33.468Z"},"containers":{"cna":{"title":"iommu/vt-d: Clean up si_domain in the init_dmars() error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Clean up si_domain in the init_dmars() error path\n\nA splat from kmem_cache_destroy() was seen with a kernel prior to\ncommit ee2653bbe89d (\"iommu/vt-d: Remove domain and devinfo mempool\")\nwhen there was a failure in init_dmars(), because the iommu_domain\ncache still had objects. While the mempool code is now gone, there\nstill is a leak of the si_domain memory if init_dmars() fails. So\nclean up si_domain in the init_dmars() error path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"749bea542b67513e99240dc58bbfc099e842d508","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"5cecfe151874b835331efe086bbdcaeaf64f6b90","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"724483b585a1b1e063d42ac5aa835707ff2ec165","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"d74196bb278b8f8af88e16bd595997dfa3d6fdb0","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"0365d6af75f9f2696e94a0fef24a2c8464c037c8","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"c4ad3ae4c6be9d8b0701761c839771116bca6ea3","versionType":"git"},{"version":"86080ccc223aabf8d0b85a504f4f06aa88e82fb3","status":"affected","lessThan":"620bf9f981365c18cc2766c53d92bf8131c63f32","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.14.298","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.264","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.221","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.152","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.76","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.6","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/intel/iommu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508"},{"url":"https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90"},{"url":"https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165"},{"url":"https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0"},{"url":"https://git.kernel.org/stable/c/0365d6af75f9f2696e94a0fef24a2c8464c037c8"},{"url":"https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3"},{"url":"https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:20.843Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.14.298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.19.264"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.4.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.152"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.0.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}