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CVE-2026-98819

Bluetooth: btintel: validate DDC record lengths

N/A
Published: October 18, 2026 at 03:49 PM UTC
Updated: October 30, 2026 at 01:21 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
145f2368c5fd7962e37315ccc092670743019d084.4
Vendor states this is fixed in 6.12.113 (unaffected)
Vendor states this is fixed in 6.18.56 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.10 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850
Source: cverecord
https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251
Source: cverecord
https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56
Source: cverecord
https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a
Source: cverecord
https://git.kernel.org/stable/c/7df748aa9f9ecab514e5989ed89c9ba35b6e5574
Source: cverecord
https://git.kernel.org/stable/c/780665bed305718a9fbb10e4aa4d5570d772c9f6
Source: cverecord
https://git.kernel.org/stable/c/93f00db7441eec84a11029662f04b152386107a9
Source: cverecord
https://git.kernel.org/stable/c/e65c8f4ca39959889fcaf9779c3adf1a421aeb8d

Quick Info

StatusRECEIVED

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