CVE-2023-54214
Bluetooth: L2CAP: Fix potential user-after-free
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 30, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < b2fde8cb2a25125111f2144604e0e7c0ebcc4bba a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49 a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < 60aaccf16d1e099c16bebfb96428ae762cb528f7 a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < b8ed41cc04fb74005aa51d17865ca3d022760335 a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < 31a288a4df7f6a28e65da22a4ab2add4a963738e a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < 64e28ecf44e46de9f01915a4146706a21c3469d2 a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < 994e3e18908f5c4a12d07b44018e6aa85f071048 a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 < df5703348813235874d851934e957c3723d71644
Linux / Linux
3.5
References
git.kernel.org: https://git.kernel.org/stable/c/b2fde8cb2a25125111f2144604e0e7c0ebcc4bba git.kernel.org: https://git.kernel.org/stable/c/a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49 git.kernel.org: https://git.kernel.org/stable/c/60aaccf16d1e099c16bebfb96428ae762cb528f7 git.kernel.org: https://git.kernel.org/stable/c/b8ed41cc04fb74005aa51d17865ca3d022760335 git.kernel.org: https://git.kernel.org/stable/c/31a288a4df7f6a28e65da22a4ab2add4a963738e git.kernel.org: https://git.kernel.org/stable/c/64e28ecf44e46de9f01915a4146706a21c3469d2 git.kernel.org: https://git.kernel.org/stable/c/994e3e18908f5c4a12d07b44018e6aa85f071048 git.kernel.org: https://git.kernel.org/stable/c/df5703348813235874d851934e957c3723d71644