{"id":"CVE-2022-50484","state":"PUBLISHED","title":"ALSA: usb-audio: Fix potential memory leaks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix potential memory leaks\n\nWhen the driver hits -ENOMEM at allocating a URB or a buffer, it\naborts and goes to the error path that releases the all previously\nallocated resources.  However, when -ENOMEM hits at the middle of the\nsync EP URB allocation loop, the partially allocated URBs might be\nleft without released, because ep->nurbs is still zero at that point.\n\nFix it by setting ep->nurbs at first, so that the error handler loops\nover the full URB list.","publishedAt":"2025-10-04T15:16:42.385Z","updatedAt":"2026-05-11T19:20:23.113Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"0604e5e5537af099ea2f6dfd892afe5c92db8a80","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"28d8d267af5d73f91d7640cbdb4024703256e36c","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"46f0aed47673e275d682af60ed26dcc28add8eae","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"988ec0cd0a2643c25c1658f7c33de2e15a5a2e31","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"bc1d16d282bca421c6fc31de4b8fd412010f01bd","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"0672215994e2347a9b4f145e2bc1709b1e01cee3","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"faa8c1ed77d0169955b9b3516b714cc5fb512f27","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"e4442410f76d66b9f7e854010bce04853f665324","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"6382da0828995af87aa8b8bef28cc61aceb4aff3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/endpoint.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"4.9.331","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.296","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.262","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.220","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","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":["sound/usb/endpoint.c"]}],"references":["https://git.kernel.org/stable/c/0604e5e5537af099ea2f6dfd892afe5c92db8a80","https://git.kernel.org/stable/c/28d8d267af5d73f91d7640cbdb4024703256e36c","https://git.kernel.org/stable/c/46f0aed47673e275d682af60ed26dcc28add8eae","https://git.kernel.org/stable/c/988ec0cd0a2643c25c1658f7c33de2e15a5a2e31","https://git.kernel.org/stable/c/bc1d16d282bca421c6fc31de4b8fd412010f01bd","https://git.kernel.org/stable/c/0672215994e2347a9b4f145e2bc1709b1e01cee3","https://git.kernel.org/stable/c/faa8c1ed77d0169955b9b3516b714cc5fb512f27","https://git.kernel.org/stable/c/e4442410f76d66b9f7e854010bce04853f665324","https://git.kernel.org/stable/c/6382da0828995af87aa8b8bef28cc61aceb4aff3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50484.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50484","state":"PUBLISHED","datePublished":"2025-10-04T15:16:42.385Z","dateUpdated":"2026-05-11T19:20:23.113Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:13:33.468Z"},"containers":{"cna":{"title":"ALSA: usb-audio: Fix potential memory leaks","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix potential memory leaks\n\nWhen the driver hits -ENOMEM at allocating a URB or a buffer, it\naborts and goes to the error path that releases the all previously\nallocated resources.  However, when -ENOMEM hits at the middle of the\nsync EP URB allocation loop, the partially allocated URBs might be\nleft without released, because ep->nurbs is still zero at that point.\n\nFix it by setting ep->nurbs at first, so that the error handler loops\nover the full URB list."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"0604e5e5537af099ea2f6dfd892afe5c92db8a80","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"28d8d267af5d73f91d7640cbdb4024703256e36c","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"46f0aed47673e275d682af60ed26dcc28add8eae","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"988ec0cd0a2643c25c1658f7c33de2e15a5a2e31","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"bc1d16d282bca421c6fc31de4b8fd412010f01bd","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"0672215994e2347a9b4f145e2bc1709b1e01cee3","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"faa8c1ed77d0169955b9b3516b714cc5fb512f27","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"e4442410f76d66b9f7e854010bce04853f665324","versionType":"git"},{"version":"8fdff6a319e7dac757c558bd283dc4577e68cde7","status":"affected","lessThan":"6382da0828995af87aa8b8bef28cc61aceb4aff3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/endpoint.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"4.9.331","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.296","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.262","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.220","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.150","status":"unaffected","lessThanOrEqual":"5.10.*","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":["sound/usb/endpoint.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0604e5e5537af099ea2f6dfd892afe5c92db8a80"},{"url":"https://git.kernel.org/stable/c/28d8d267af5d73f91d7640cbdb4024703256e36c"},{"url":"https://git.kernel.org/stable/c/46f0aed47673e275d682af60ed26dcc28add8eae"},{"url":"https://git.kernel.org/stable/c/988ec0cd0a2643c25c1658f7c33de2e15a5a2e31"},{"url":"https://git.kernel.org/stable/c/bc1d16d282bca421c6fc31de4b8fd412010f01bd"},{"url":"https://git.kernel.org/stable/c/0672215994e2347a9b4f145e2bc1709b1e01cee3"},{"url":"https://git.kernel.org/stable/c/faa8c1ed77d0169955b9b3516b714cc5fb512f27"},{"url":"https://git.kernel.org/stable/c/e4442410f76d66b9f7e854010bce04853f665324"},{"url":"https://git.kernel.org/stable/c/6382da0828995af87aa8b8bef28cc61aceb4aff3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:23.113Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.9.331"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.14.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.19.262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.4.220"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.10.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.15.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}