Answer in brief
CVE-2024-50044 records a Unknown severity vulnerability in Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=3241ad820dbb172021e0268b5611031991431626 <b77b3fb12fd483cae7c28648903b1d8a6b275f01 || >=3241ad820dbb172021e0268b5611031991431626 <869c6ee62ab8f01bf2419e45326642be5c9b670a || >=3241ad820dbb172021e0268b5611031991431626 <ef44274dae9b0a90d1a97ce8b242a3b8243a7745 || >=3241ad820dbb172021e0268b5611031991431626 <496b2ab0fd10f205e08909a125485fdc98843dbe || >=3241ad820dbb172021e0268b5611031991431626 <ced98072d3511b232ae1d3347945f35f30c0e303 || >=3241ad820dbb172021e0268b5611031991431626 <38b2d5a57d125e1c17661b8308c0240c4a43b534 || >=3241ad820dbb172021e0268b5611031991431626 <4cb9807c9b53bf1e5560420d26f319f528b50268 || >=3241ad820dbb172021e0268b5611031991431626 <08d1914293dae38350b8088980e59fbc699a72fe | b77b3fb12fd483cae7c28648903b1d8a6b275f01, 869c6ee62ab8f01bf2419e45326642be5c9b670a, ef44274dae9b0a90d1a97ce8b242a3b8243a7745, 496b2ab0fd10f205e08909a125485fdc98843dbe, ced98072d3511b232ae1d3347945f35f30c0e303, 38b2d5a57d125e1c17661b8308c0240c4a43b534, 4cb9807c9b53bf1e5560420d26f319f528b50268, 08d1914293dae38350b8088980e59fbc699a72fe |
| Linux/Linuxgeneric | 2.6.27 | Not reported |
| Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric | >=0 <V1.1.1 | V1.1.1 |
Published upstream
Oct 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 15, 2026
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change rfcomm_sk_state_change attempts to use sock_lock so it must never be called with it locked but rfcomm_sock_ioctl always attempt to lock it causing the following trace: ====================================================== WARNING: possible circular locking dependency detected 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted ------------------------------------------------------ syz-executor386/5093 is trying to acquire lock: ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline] ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73 but task is already holding lock: ffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491
Quoted source text, attributed separately from HOL analysis.