CVE-2022-50386
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Bluetooth: L2CAP: Fix user-after-free
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Bluetooth: l2cap_core.c:static void l2cap_chan_destroy(struct kref *kref) Bluetooth: chan 0000000023c4974d Bluetooth: parent 00000000ae861c08 ================================================================== BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:191 [inline] BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:671 [inline] BUG: KASAN: use-after-free in __mutex_lock+0x278/0x400 kernel/locking/mutex.c:729 Read of size 8 at addr ffff888006a49b08 by task kworker/u3:2/389
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) |
|---|---|---|---|---|---|
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 11e40d6c0823f699d8ad501e48d1c3ae4be386cd | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 843fc4e386dd84b806a7f07fb062d8c3a44e5364 | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | d91fc2836562f299f34e361e089e9fe154da4f73 | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 7d6f9cb24d2b2f6b6370eac074e2e6b1bafdad45 | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 0c108cf3ad386e0084277093b55a351c49e0be27 | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | d1e894f950ad48897d1a7cb05909ea29d8c3810e | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 6ffde6e03085874ae22263ff4cef4869f797e84f | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 15fc21695eb606bdc5d483b92118ee42610a952d | Unavailable | None listed |
| 3df91ea20e744344100b10ae69a17211fcf5b207 | affected | git | 35fcbc4243aad7e7d020b7c1dfb14bb888b20a4f | 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) |
|---|---|---|---|---|---|
| 3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.4 | Unavailable | None listed |
| 4.9.331 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.296 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.262 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.220 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.150 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.75 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.19.17 | unaffected | semver | Unavailable | 5.19.* | None listed |
| 6.0.3 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |