{"id":"CVE-2022-50837","state":"PUBLISHED","title":"net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path\n\nIf dsa_tag_8021q_setup() fails, for example due to the inability of the\ndevice to install a VLAN, the tag_8021q context of the switch will leak.\nMake sure it is freed on the error path.","publishedAt":"2025-12-30T12:10:57.049Z","updatedAt":"2026-05-11T19:26:04.353Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"09f30f394e832ed09859b6a80fdd20668a9104ff","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"39691d51af99f80efb9e365f94b8e0c791fa1a2f","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"14ed46a13aba42a6ddd85de6f6274090df3586a5","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"e095493091e850d5292ad01d8fbf5cde1d89ac53","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dsa/tag_8021q.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dsa/tag_8021q.c"]}],"references":["https://git.kernel.org/stable/c/09f30f394e832ed09859b6a80fdd20668a9104ff","https://git.kernel.org/stable/c/39691d51af99f80efb9e365f94b8e0c791fa1a2f","https://git.kernel.org/stable/c/14ed46a13aba42a6ddd85de6f6274090df3586a5","https://git.kernel.org/stable/c/e095493091e850d5292ad01d8fbf5cde1d89ac53"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50837.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50837","state":"PUBLISHED","datePublished":"2025-12-30T12:10:57.049Z","dateUpdated":"2026-05-11T19:26:04.353Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.133Z"},"containers":{"cna":{"title":"net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path\n\nIf dsa_tag_8021q_setup() fails, for example due to the inability of the\ndevice to install a VLAN, the tag_8021q context of the switch will leak.\nMake sure it is freed on the error path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"09f30f394e832ed09859b6a80fdd20668a9104ff","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"39691d51af99f80efb9e365f94b8e0c791fa1a2f","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"14ed46a13aba42a6ddd85de6f6274090df3586a5","versionType":"git"},{"version":"328621f6131f667c5c328bb72d45442fd76efb81","status":"affected","lessThan":"e095493091e850d5292ad01d8fbf5cde1d89ac53","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dsa/tag_8021q.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dsa/tag_8021q.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/09f30f394e832ed09859b6a80fdd20668a9104ff"},{"url":"https://git.kernel.org/stable/c/39691d51af99f80efb9e365f94b8e0c791fa1a2f"},{"url":"https://git.kernel.org/stable/c/14ed46a13aba42a6ddd85de6f6274090df3586a5"},{"url":"https://git.kernel.org/stable/c/e095493091e850d5292ad01d8fbf5cde1d89ac53"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:26:04.353Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}