{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50783","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T13:02:21.548Z","datePublished":"2025-12-24T13:06:10.602Z","dateUpdated":"2026-05-11T19:25:27.610Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:25:27.610Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: use proper req destructor for IPv6\n\nBefore, only the destructor from TCP request sock in IPv4 was called\neven if the subflow was IPv6.\n\nIt is important to use the right destructor to avoid memory leaks with\nsome advanced IPv6 features, e.g. when the request socks contain\nspecific IPv6 options."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/subflow.c"],"versions":[{"version":"79c0949e9a09f6a14a6dd18dc8396029423f9b68","lessThan":"6eb02c596ec02e5897ae377e065cb7df55337a96","status":"affected","versionType":"git"},{"version":"79c0949e9a09f6a14a6dd18dc8396029423f9b68","lessThan":"bd5dc96fea4edd16d2e22f41b4dd50a4cfbeb919","status":"affected","versionType":"git"},{"version":"79c0949e9a09f6a14a6dd18dc8396029423f9b68","lessThan":"092953f3c4cd65f88b27b87a922f6c725f34ee04","status":"affected","versionType":"git"},{"version":"79c0949e9a09f6a14a6dd18dc8396029423f9b68","lessThan":"1922ea6b0ae2ea0c9a09be0eafafe1cd1069d259","status":"affected","versionType":"git"},{"version":"79c0949e9a09f6a14a6dd18dc8396029423f9b68","lessThan":"d3295fee3c756ece33ac0d935e172e68c0a4161b","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mptcp/subflow.c"],"versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","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":"5.6","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.0.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6eb02c596ec02e5897ae377e065cb7df55337a96"},{"url":"https://git.kernel.org/stable/c/bd5dc96fea4edd16d2e22f41b4dd50a4cfbeb919"},{"url":"https://git.kernel.org/stable/c/092953f3c4cd65f88b27b87a922f6c725f34ee04"},{"url":"https://git.kernel.org/stable/c/1922ea6b0ae2ea0c9a09be0eafafe1cd1069d259"},{"url":"https://git.kernel.org/stable/c/d3295fee3c756ece33ac0d935e172e68c0a4161b"}],"title":"mptcp: use proper req destructor for IPv6","x_generator":{"engine":"bippy-1.2.0"}}}}