{"id":"DEBIAN-CVE-2024-26886","details":"In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: af_bluetooth: Fix deadlock  Attemting to do sock_lock on .recvmsg may cause a deadlock as shown bellow, so instead of using sock_sock this uses sk_receive_queue.lock on bt_sock_ioctl to avoid the UAF:  INFO: task kworker/u9:1:121 blocked for more than 30 seconds.       Not tainted 6.7.6-lemon #183 Workqueue: hci0 hci_rx_work Call Trace:  \u003cTASK\u003e  __schedule+0x37d/0xa00  schedule+0x32/0xe0  __lock_sock+0x68/0xa0  ? __pfx_autoremove_wake_function+0x10/0x10  lock_sock_nested+0x43/0x50  l2cap_sock_recv_cb+0x21/0xa0  l2cap_recv_frame+0x55b/0x30a0  ? psi_task_switch+0xeb/0x270  ? finish_task_switch.isra.0+0x93/0x2a0  hci_rx_work+0x33a/0x3f0  process_one_work+0x13a/0x2f0  worker_thread+0x2f0/0x410  ? __pfx_worker_thread+0x10/0x10  kthread+0xe0/0x110  ? __pfx_kthread+0x10/0x10  ret_from_fork+0x2c/0x50  ? __pfx_kthread+0x10/0x10  ret_from_fork_asm+0x1b/0x30  \u003c/TASK\u003e","modified":"2026-09-15T09:02:56.041452477Z","published":"2024-04-17T11:15:10.253Z","upstream":["CVE-2024-26886"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-26886"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.85-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26886.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26886.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26886.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}