CVE-2026-98819
Bluetooth: btintel: validate DDC record lengths
- State
- Published
- Severity
- Not scored
- Published
- Oct 18, 2026
- Updated
- Oct 30, 2026
- Reserved
- Sep 25, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btintel: validate DDC record lengths
Parse DDC record lengths in unsigned storage so 0xFF does not wrap. Reject records smaller than the mandatory three-byte header, records exceeding U8_MAX, and records exceeding remaining firmware bytes before issuing Intel_Write_DDC.
This issue was reported by Claude Mythos.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
LinuxLinux |
|
LinuxLinux |
|
References
- https://git.kernel.org/stable/c/780665bed305718a9fbb10e4aa4d5570d772c9f6
- https://git.kernel.org/stable/c/93f00db7441eec84a11029662f04b152386107a9
- https://git.kernel.org/stable/c/e65c8f4ca39959889fcaf9779c3adf1a421aeb8d
- https://git.kernel.org/stable/c/7df748aa9f9ecab514e5989ed89c9ba35b6e5574
- https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850
- https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251
- https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56
- https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a
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