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

Read the record on cve.org

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

ProductVersions
LinuxLinux
  • 145f2368c5fd7962e37315ccc092670743019d08 to before 780665bed305718a9fbb10e4aa4d5570d772c9f6Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before 93f00db7441eec84a11029662f04b152386107a9Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before e65c8f4ca39959889fcaf9779c3adf1a421aeb8dAffected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before 7df748aa9f9ecab514e5989ed89c9ba35b6e5574Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before 069031f569f1681f17e863f48c221a6091b47850Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before b0fce76873a5e6a6820354409b26693ac5f8b251Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before f3617369fbb30a4d2e54841ab8e92ca4fa211e56Affected
  • 145f2368c5fd7962e37315ccc092670743019d08 to before c9c15d4d8956df8c564f7c210e4dc5b9b820d97aAffected
LinuxLinux
  • 4.4Affected
  • before 4.4Not affected
  • 5.10.273 through 5.10.*Not affected
  • 5.15.224 through 5.15.*Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.160 through 6.6.*Not affected
  • 6.12.113 through 6.12.*Not affected
  • 6.18.56 through 6.18.*Not affected
  • 7.2.10 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.