CVE-2026-98819

critical

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.

References

https://git.kernel.org/stable/c/f3617369fbb30a4d2e54841ab8e92ca4fa211e56

https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a

https://git.kernel.org/stable/c/b0fce76873a5e6a6820354409b26693ac5f8b251

https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-103904

Details

Source: Mitre, NVD

Published: 2026-10-18

Updated: 2026-10-18

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical