{"id":"CVE-2026-23299","state":"PUBLISHED","title":"Bluetooth: purge error queues in socket destructors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: purge error queues in socket destructors\n\nWhen TX timestamping is enabled via SO_TIMESTAMPING, SKBs may be queued\ninto sk_error_queue and will stay there until consumed. If userspace never\ngets to read the timestamps, or if the controller is removed unexpectedly,\nthese SKBs will leak.\n\nFix by adding skb_queue_purge() calls for sk_error_queue in affected\nbluetooth destructors. RFCOMM does not currently use sk_error_queue.","publishedAt":"2026-03-25T10:26:55.481Z","updatedAt":"2026-05-11T22:04:11.865Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"2b6c942a526635f5c61d2f000258e620da32d3a7","versionType":"git"},{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"3de7c10a950b36affc692d8bd2ac713852580e56","versionType":"git"},{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"21e4271e65094172aadd5beb8caea95dd0fbf6d7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sock.c","net/bluetooth/iso.c","net/bluetooth/l2cap_sock.c","net/bluetooth/sco.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","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":["net/bluetooth/hci_sock.c","net/bluetooth/iso.c","net/bluetooth/l2cap_sock.c","net/bluetooth/sco.c"]}],"references":["https://git.kernel.org/stable/c/2b6c942a526635f5c61d2f000258e620da32d3a7","https://git.kernel.org/stable/c/3de7c10a950b36affc692d8bd2ac713852580e56","https://git.kernel.org/stable/c/21e4271e65094172aadd5beb8caea95dd0fbf6d7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23299.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23299","state":"PUBLISHED","datePublished":"2026-03-25T10:26:55.481Z","dateUpdated":"2026-05-11T22:04:11.865Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.993Z"},"containers":{"cna":{"title":"Bluetooth: purge error queues in socket destructors","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: purge error queues in socket destructors\n\nWhen TX timestamping is enabled via SO_TIMESTAMPING, SKBs may be queued\ninto sk_error_queue and will stay there until consumed. If userspace never\ngets to read the timestamps, or if the controller is removed unexpectedly,\nthese SKBs will leak.\n\nFix by adding skb_queue_purge() calls for sk_error_queue in affected\nbluetooth destructors. RFCOMM does not currently use sk_error_queue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"2b6c942a526635f5c61d2f000258e620da32d3a7","versionType":"git"},{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"3de7c10a950b36affc692d8bd2ac713852580e56","versionType":"git"},{"version":"134f4b39df7b77225a80ef585c15d46f964f5e6f","status":"affected","lessThan":"21e4271e65094172aadd5beb8caea95dd0fbf6d7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sock.c","net/bluetooth/iso.c","net/bluetooth/l2cap_sock.c","net/bluetooth/sco.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","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":["net/bluetooth/hci_sock.c","net/bluetooth/iso.c","net/bluetooth/l2cap_sock.c","net/bluetooth/sco.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2b6c942a526635f5c61d2f000258e620da32d3a7"},{"url":"https://git.kernel.org/stable/c/3de7c10a950b36affc692d8bd2ac713852580e56"},{"url":"https://git.kernel.org/stable/c/21e4271e65094172aadd5beb8caea95dd0fbf6d7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:04:11.865Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}