Answer in brief
CVE-2023-54214 records a High severity (CVSS 8.8) vulnerability in Bluetooth: L2CAP: Fix potential user-after-free. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | 3.5 | Not reported |
| Linux/Linuxgeneric | >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <b2fde8cb2a25125111f2144604e0e7c0ebcc4bba || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49 || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <60aaccf16d1e099c16bebfb96428ae762cb528f7 || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <b8ed41cc04fb74005aa51d17865ca3d022760335 || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <31a288a4df7f6a28e65da22a4ab2add4a963738e || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <64e28ecf44e46de9f01915a4146706a21c3469d2 || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <994e3e18908f5c4a12d07b44018e6aa85f071048 || >=a6a5568c03c4805d4d250f6bd9d468eeeb4ea059 <df5703348813235874d851934e957c3723d71644 | b2fde8cb2a25125111f2144604e0e7c0ebcc4bba, a6a7d1541fefddf7ca0cfb34c1bff63ff809cc49, 60aaccf16d1e099c16bebfb96428ae762cb528f7, b8ed41cc04fb74005aa51d17865ca3d022760335, 31a288a4df7f6a28e65da22a4ab2add4a963738e, 64e28ecf44e46de9f01915a4146706a21c3469d2, 994e3e18908f5c4a12d07b44018e6aa85f071048, df5703348813235874d851934e957c3723d71644 |
Published upstream
Dec 30, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.