Answer in brief
CVE-2024-26886 records a Medium severity (CVSS 6.5) vulnerability in Bluetooth: af_bluetooth: Fix deadlock. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=2b16d960c79abc397f102c3d23d30005b68cb036 <60673f442984fe689d4127a5dd4be414247b3d67 || >=37f71e2c9f515834841826f4eb68ec33cfb2a1ff <0309acebc4b3884bfda332558bb8a1df052f4f39 || >=1d576c3a5af850bf11fbd103f9ba11aa6d6061fb <64be3c6154886200708da0dfe259705fb992416c || >=2e07e8348ea454615e268222ae3fc240421be768 <817e8138ce86001b2fa5c63d6ede756e205a01f7 || >=2e07e8348ea454615e268222ae3fc240421be768 <2c9e2df022ef8b9d7fac58a04a2ef4ed25288955 || >=2e07e8348ea454615e268222ae3fc240421be768 <f7b94bdc1ec107c92262716b073b3e816d4784fb || db1b14eec8c61a20374de9f9c2ddc6c9406a8c42 || >=5.15.146 <5.15.209 || >=6.1.70 <6.1.191 || >=6.6.9 <6.6.23 || >=5.10.206 <5.11 | 60673f442984fe689d4127a5dd4be414247b3d67, 0309acebc4b3884bfda332558bb8a1df052f4f39, 64be3c6154886200708da0dfe259705fb992416c, 817e8138ce86001b2fa5c63d6ede756e205a01f7, 2c9e2df022ef8b9d7fac58a04a2ef4ed25288955, f7b94bdc1ec107c92262716b073b3e816d4784fb, 5.15.209, 6.1.191, 6.6.23, 5.11 |
| Linux/Linuxgeneric | 6.7 | Not reported |
Published upstream
Apr 17, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 30, 2026
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: <TASK> __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 </TASK>
Quoted source text, attributed separately from HOL analysis.