CVE-2022-42896
Info Leak in l2cap_core in the Linux Kernel
- State
- Published
- Severity
- 8.0 High
- Published
- Nov 23, 2022
- Updated
- Oct 14, 2026
- Reserved
- Oct 12, 2022
Description
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.
We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.0 High | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
Linux KernelLinux |
|
References
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