{"id":"CVE-2026-74301","state":"PUBLISHED","title":"Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path\n\nWhen btmtk_isopkt_pad() fails, the previously allocated URB is not freed,\nleaking the urb structure. Add usb_free_urb() before returning the error.","publishedAt":"2026-08-15T05:58:03.991Z","updatedAt":"2026-08-17T05:16:48.515Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"2643524743b9cc3c6f5f34cde2a8c627d793f21c","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"4e354991da5890d5ce7bfea3f66fb897ae301756","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"f396f4005180928cd9e15e352a6512865d3bc908","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btmtk.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","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/btmtk.c"]}],"references":["https://git.kernel.org/stable/c/2643524743b9cc3c6f5f34cde2a8c627d793f21c","https://git.kernel.org/stable/c/7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d","https://git.kernel.org/stable/c/4e354991da5890d5ce7bfea3f66fb897ae301756","https://git.kernel.org/stable/c/f396f4005180928cd9e15e352a6512865d3bc908"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74301.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74301","state":"PUBLISHED","datePublished":"2026-08-15T05:58:03.991Z","dateUpdated":"2026-08-17T05:16:48.515Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.882Z"},"containers":{"cna":{"title":"Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path\n\nWhen btmtk_isopkt_pad() fails, the previously allocated URB is not freed,\nleaking the urb structure. Add usb_free_urb() before returning the error."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"2643524743b9cc3c6f5f34cde2a8c627d793f21c","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"4e354991da5890d5ce7bfea3f66fb897ae301756","versionType":"git"},{"version":"ceac1cb0259de682d78f5c784ef8e0b13022e9d9","status":"affected","lessThan":"f396f4005180928cd9e15e352a6512865d3bc908","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btmtk.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","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/btmtk.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2643524743b9cc3c6f5f34cde2a8c627d793f21c"},{"url":"https://git.kernel.org/stable/c/7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d"},{"url":"https://git.kernel.org/stable/c/4e354991da5890d5ce7bfea3f66fb897ae301756"},{"url":"https://git.kernel.org/stable/c/f396f4005180928cd9e15e352a6512865d3bc908"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:16:48.515Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}