{"id":"CVE-2026-64471","state":"PUBLISHED","title":"Bluetooth: btusb: fix use-after-free on registration failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: fix use-after-free on registration failure\n\nMake sure to release the sibling interfaces in case controller\nregistration fails to avoid use-after-free and double-free when they are\neventually disconnected.\n\nThis issue was reported by Sashiko while reviewing a fix for a wakeup\nsource leak in the btusb probe errors paths.","publishedAt":"2026-07-25T08:51:35.245Z","updatedAt":"2026-08-17T04:56:17.111Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"e09ac7d0c6859a360bf36e7104aef03f88184e0b","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"468fcdfaeb937163dd250773a9fed17ab1fa203c","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"1ce5012944afaddbda939ec6bae9800fce84abbc","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"e6313b800da61a26c2fdd5eba0105e197c0ab3bc","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"14e02f1449ba425a44dedbec9a21efafb056e09f","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"8db0ce3de78367f61c2970c0f16d9adee8830a23","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"da7d7758fe884b256ddc9fef562e5ddef7952383","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"eedc6867ebad73edbfaf9a0a65fbef7115cc4753","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btusb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.27","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.27","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btusb.c"]}],"references":["https://git.kernel.org/stable/c/e09ac7d0c6859a360bf36e7104aef03f88184e0b","https://git.kernel.org/stable/c/468fcdfaeb937163dd250773a9fed17ab1fa203c","https://git.kernel.org/stable/c/1ce5012944afaddbda939ec6bae9800fce84abbc","https://git.kernel.org/stable/c/e6313b800da61a26c2fdd5eba0105e197c0ab3bc","https://git.kernel.org/stable/c/14e02f1449ba425a44dedbec9a21efafb056e09f","https://git.kernel.org/stable/c/8db0ce3de78367f61c2970c0f16d9adee8830a23","https://git.kernel.org/stable/c/da7d7758fe884b256ddc9fef562e5ddef7952383","https://git.kernel.org/stable/c/eedc6867ebad73edbfaf9a0a65fbef7115cc4753"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64471.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64471","state":"PUBLISHED","datePublished":"2026-07-25T08:51:35.245Z","dateUpdated":"2026-08-17T04:56:17.111Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.790Z"},"containers":{"cna":{"title":"Bluetooth: btusb: fix use-after-free on registration failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: fix use-after-free on registration failure\n\nMake sure to release the sibling interfaces in case controller\nregistration fails to avoid use-after-free and double-free when they are\neventually disconnected.\n\nThis issue was reported by Sashiko while reviewing a fix for a wakeup\nsource leak in the btusb probe errors paths."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"e09ac7d0c6859a360bf36e7104aef03f88184e0b","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"468fcdfaeb937163dd250773a9fed17ab1fa203c","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"1ce5012944afaddbda939ec6bae9800fce84abbc","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"e6313b800da61a26c2fdd5eba0105e197c0ab3bc","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"14e02f1449ba425a44dedbec9a21efafb056e09f","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"8db0ce3de78367f61c2970c0f16d9adee8830a23","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"da7d7758fe884b256ddc9fef562e5ddef7952383","versionType":"git"},{"version":"9bfa35fe422c74882e27cc54450a5f76c96aad68","status":"affected","lessThan":"eedc6867ebad73edbfaf9a0a65fbef7115cc4753","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btusb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.27","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.27","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btusb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e09ac7d0c6859a360bf36e7104aef03f88184e0b"},{"url":"https://git.kernel.org/stable/c/468fcdfaeb937163dd250773a9fed17ab1fa203c"},{"url":"https://git.kernel.org/stable/c/1ce5012944afaddbda939ec6bae9800fce84abbc"},{"url":"https://git.kernel.org/stable/c/e6313b800da61a26c2fdd5eba0105e197c0ab3bc"},{"url":"https://git.kernel.org/stable/c/14e02f1449ba425a44dedbec9a21efafb056e09f"},{"url":"https://git.kernel.org/stable/c/8db0ce3de78367f61c2970c0f16d9adee8830a23"},{"url":"https://git.kernel.org/stable/c/da7d7758fe884b256ddc9fef562e5ddef7952383"},{"url":"https://git.kernel.org/stable/c/eedc6867ebad73edbfaf9a0a65fbef7115cc4753"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:56:17.111Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}