{"id":"CVE-2022-50809","state":"PUBLISHED","title":"xhci: dbc: Fix memory leak in xhci_alloc_dbc()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: dbc: Fix memory leak in xhci_alloc_dbc()\n\nIf DbC is already in use, then the allocated memory for the xhci_dbc struct\ndoesn't get freed before returning NULL, which leads to a memleak.","publishedAt":"2025-12-30T12:08:27.242Z","updatedAt":"2026-05-23T15:25:16.272Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802","status":"affected","lessThan":"103b459590e1eb4d80b02761eb36c7cae1d9b58e","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"116d6a6964986ea7eb516daa36128d270f1f248d","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"69e67c804d09a6b1bcda1f4f242f151f813eeb4a","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"d591b32e519603524a35b172156db71df9116902","versionType":"git"},{"version":"5.15.58","status":"affected","lessThan":"5.15.75","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci-dbgcap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","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/usb/host/xhci-dbgcap.c"]}],"references":["https://git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e","https://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d","https://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a","https://git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50809.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50809","state":"PUBLISHED","datePublished":"2025-12-30T12:08:27.242Z","dateUpdated":"2026-05-23T15:25:16.272Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.129Z"},"containers":{"cna":{"title":"xhci: dbc: Fix memory leak in xhci_alloc_dbc()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: dbc: Fix memory leak in xhci_alloc_dbc()\n\nIf DbC is already in use, then the allocated memory for the xhci_dbc struct\ndoesn't get freed before returning NULL, which leads to a memleak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802","status":"affected","lessThan":"103b459590e1eb4d80b02761eb36c7cae1d9b58e","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"116d6a6964986ea7eb516daa36128d270f1f248d","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"69e67c804d09a6b1bcda1f4f242f151f813eeb4a","versionType":"git"},{"version":"534675942e901959b5d8dc11ea526c4e48817d8e","status":"affected","lessThan":"d591b32e519603524a35b172156db71df9116902","versionType":"git"},{"version":"5.15.58","status":"affected","lessThan":"5.15.75","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci-dbgcap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"5.15.75","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.17","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0.3","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/usb/host/xhci-dbgcap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e"},{"url":"https://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d"},{"url":"https://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a"},{"url":"https://git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:25:16.272Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.58","versionEndExcluding":"5.15.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}