{"id":"CVE-2026-31672","state":"PUBLISHED","title":"wifi: rt2x00usb: fix devres lifetime","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rt2x00usb: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the USB anchor lifetime so that it is released on driver unbind.","publishedAt":"2026-04-24T14:45:19.725Z","updatedAt":"2026-05-11T22:13:24.521Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"64a457f6afbf15f984d95201a9a1e71eed3f9dd1","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"65518a6965d527c53013947031f26754f6a4f6af","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"15b233e33b35b927bd8d0044c15325564ea1ba24","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"1de5c76bf40e9cdeebf54662f63011fb10fa452f","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"b245db719bc7e57abf48bd5701662b270c3880f7","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"e360d15fcb1e819eef49e3d4434d8050542eed16","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"c99f198841b41735796e2ddfcd573783fb552eb9","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"25369b22223d1c56e42a0cd4ac9137349d5a898e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ralink/rt2x00/rt2x00usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.169","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.135","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.82","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.23","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.13","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ralink/rt2x00/rt2x00usb.c"]}],"references":["https://git.kernel.org/stable/c/64a457f6afbf15f984d95201a9a1e71eed3f9dd1","https://git.kernel.org/stable/c/65518a6965d527c53013947031f26754f6a4f6af","https://git.kernel.org/stable/c/15b233e33b35b927bd8d0044c15325564ea1ba24","https://git.kernel.org/stable/c/1de5c76bf40e9cdeebf54662f63011fb10fa452f","https://git.kernel.org/stable/c/b245db719bc7e57abf48bd5701662b270c3880f7","https://git.kernel.org/stable/c/e360d15fcb1e819eef49e3d4434d8050542eed16","https://git.kernel.org/stable/c/c99f198841b41735796e2ddfcd573783fb552eb9","https://git.kernel.org/stable/c/25369b22223d1c56e42a0cd4ac9137349d5a898e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31672.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31672","state":"PUBLISHED","datePublished":"2026-04-24T14:45:19.725Z","dateUpdated":"2026-05-11T22:13:24.521Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.130Z"},"containers":{"cna":{"title":"wifi: rt2x00usb: fix devres lifetime","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rt2x00usb: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the USB anchor lifetime so that it is released on driver unbind."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"64a457f6afbf15f984d95201a9a1e71eed3f9dd1","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"65518a6965d527c53013947031f26754f6a4f6af","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"15b233e33b35b927bd8d0044c15325564ea1ba24","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"1de5c76bf40e9cdeebf54662f63011fb10fa452f","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"b245db719bc7e57abf48bd5701662b270c3880f7","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"e360d15fcb1e819eef49e3d4434d8050542eed16","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"c99f198841b41735796e2ddfcd573783fb552eb9","versionType":"git"},{"version":"8b4c0009313f3d42e2540e3e1f776097dd0db73d","status":"affected","lessThan":"25369b22223d1c56e42a0cd4ac9137349d5a898e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ralink/rt2x00/rt2x00usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.169","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.135","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.82","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.23","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.13","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ralink/rt2x00/rt2x00usb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/64a457f6afbf15f984d95201a9a1e71eed3f9dd1"},{"url":"https://git.kernel.org/stable/c/65518a6965d527c53013947031f26754f6a4f6af"},{"url":"https://git.kernel.org/stable/c/15b233e33b35b927bd8d0044c15325564ea1ba24"},{"url":"https://git.kernel.org/stable/c/1de5c76bf40e9cdeebf54662f63011fb10fa452f"},{"url":"https://git.kernel.org/stable/c/b245db719bc7e57abf48bd5701662b270c3880f7"},{"url":"https://git.kernel.org/stable/c/e360d15fcb1e819eef49e3d4434d8050542eed16"},{"url":"https://git.kernel.org/stable/c/c99f198841b41735796e2ddfcd573783fb552eb9"},{"url":"https://git.kernel.org/stable/c/25369b22223d1c56e42a0cd4ac9137349d5a898e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:13:24.521Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.169"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.12.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.19.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}