{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50263","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-15T13:58:00.974Z","datePublished":"2025-09-15T14:20:59.436Z","dateUpdated":"2026-05-11T19:15:56.311Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:15:56.311Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvdpasim: fix memory leak when freeing IOTLBs\n\nAfter commit bda324fd037a (\"vdpasim: control virtqueue support\"),\nvdpasim->iommu became an array of IOTLB, so we should clean the\nmappings of each free one by one instead of just deleting the ranges\nin the first IOTLB which may leak maps."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/vdpa_sim/vdpa_sim.c"],"versions":[{"version":"bda324fd037a6b0d44da5699574ce741ca161bc4","lessThan":"54b210c90d2803a9f1c8fd2f0d08e90172e9a06d","status":"affected","versionType":"git"},{"version":"bda324fd037a6b0d44da5699574ce741ca161bc4","lessThan":"16b22e27fba6fd816d0dcb98f42cc71f0836c27e","status":"affected","versionType":"git"},{"version":"bda324fd037a6b0d44da5699574ce741ca161bc4","lessThan":"0b7a04a30eef20e6b24926a45c0ce7906ae85bd6","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/vdpa/vdpa_sim/vdpa_sim.c"],"versions":[{"version":"5.19","status":"affected"},{"version":"0","lessThan":"5.19","status":"unaffected","versionType":"semver"},{"version":"6.0.19","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.5","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":"5.19","versionEndExcluding":"6.0.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"},{"url":"https://git.kernel.org/stable/c/16b22e27fba6fd816d0dcb98f42cc71f0836c27e"},{"url":"https://git.kernel.org/stable/c/0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"}],"title":"vdpasim: fix memory leak when freeing IOTLBs","x_generator":{"engine":"bippy-1.2.0"}}}}