{"id":"CVE-2022-50042","state":"PUBLISHED","title":"net: genl: fix error path memory leak in policy dumping","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: genl: fix error path memory leak in policy dumping\n\nIf construction of the array of policies fails when recording\nnon-first policy we need to unwind.\n\nnetlink_policy_dump_add_policy() itself also needs fixing as\nit currently gives up on error without recording the allocated\npointer in the pstate pointer.","publishedAt":"2025-06-18T11:01:43.264Z","updatedAt":"2026-05-11T19:11:43.271Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"83411c9f05d5a8b637293b3389eca3d378197c04","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"b0672895d8be5d19d4b05ac83f807026fc791037","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"26b6acd365823e99e46be3b27500f5dc235dda5e","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"249801360db3dec4f73768c502192020bfddeacc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlink/genetlink.c","net/netlink/policy.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlink/genetlink.c","net/netlink/policy.c"]}],"references":["https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04","https://git.kernel.org/stable/c/b0672895d8be5d19d4b05ac83f807026fc791037","https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5e","https://git.kernel.org/stable/c/249801360db3dec4f73768c502192020bfddeacc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50042.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50042","state":"PUBLISHED","datePublished":"2025-06-18T11:01:43.264Z","dateUpdated":"2026-05-11T19:11:43.271Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.398Z"},"containers":{"cna":{"title":"net: genl: fix error path memory leak in policy dumping","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: genl: fix error path memory leak in policy dumping\n\nIf construction of the array of policies fails when recording\nnon-first policy we need to unwind.\n\nnetlink_policy_dump_add_policy() itself also needs fixing as\nit currently gives up on error without recording the allocated\npointer in the pstate pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"83411c9f05d5a8b637293b3389eca3d378197c04","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"b0672895d8be5d19d4b05ac83f807026fc791037","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"26b6acd365823e99e46be3b27500f5dc235dda5e","versionType":"git"},{"version":"50a896cf2d6f34e884a00139d6e6012c9833ace3","status":"affected","lessThan":"249801360db3dec4f73768c502192020bfddeacc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlink/genetlink.c","net/netlink/policy.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlink/genetlink.c","net/netlink/policy.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04"},{"url":"https://git.kernel.org/stable/c/b0672895d8be5d19d4b05ac83f807026fc791037"},{"url":"https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5e"},{"url":"https://git.kernel.org/stable/c/249801360db3dec4f73768c502192020bfddeacc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:11:43.271Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}