Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.
References
- https://git.kernel.org/stable/c/31a288a4df7f6a28e65da22a4ab2add4a963738e
- https://git.kernel.org/stable/c/60aaccf16d1e099c16bebfb96428ae762cb528f7
- https://git.kernel.org/stable/c/64e28ecf44e46de9f01915a4146706a21c3469d2
- https://git.kernel.org/stable/c/994e3e18908f5c4a12d07b44018e6aa85f071048
- https://git.kernel.org/stable/c/a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49
- https://git.kernel.org/stable/c/b2fde8cb2a25125111f2144604e0e7c0ebcc4bba
- https://git.kernel.org/stable/c/b8ed41cc04fb74005aa51d17865ca3d022760335
- https://git.kernel.org/stable/c/df5703348813235874d851934e957c3723d71644
FAQ
What is CVE-2023-54214?
CVE-2023-54214 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb ...
How severe is CVE-2023-54214?
CVSS scoring is not yet available for CVE-2023-54214. Check NVD for updates.
Is there a patch for CVE-2023-54214?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.