CVE-2024-50044
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2024
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change
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
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | b77b3fb12fd483cae7c28648903b1d8a6b275f01 | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | 869c6ee62ab8f01bf2419e45326642be5c9b670a | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | ef44274dae9b0a90d1a97ce8b242a3b8243a7745 | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | 496b2ab0fd10f205e08909a125485fdc98843dbe | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | ced98072d3511b232ae1d3347945f35f30c0e303 | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | 38b2d5a57d125e1c17661b8308c0240c4a43b534 | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | 4cb9807c9b53bf1e5560420d26f319f528b50268 | Unavailable | None listed |
| 3241ad820dbb172021e0268b5611031991431626 | affected | git | 08d1914293dae38350b8088980e59fbc699a72fe | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.27 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.27 | Unavailable | None listed |
| 4.19.323 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.285 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.227 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.168 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.113 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.57 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.11.4 | unaffected | semver | Unavailable | 6.11.* | None listed |
| 6.12 | unaffected | original_commit_for_fix | Unavailable | * | None listed |