SB20261007183 - Out-of-bounds write in Linux kernel drm gud driver

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Main Vulnerability Database SB20261007183

SB20261007183 - Out-of-bounds write in Linux kernel drm gud driver

Published: October 7, 2026

Security Bulletin ID SB20261007183
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2026-98181)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows an attacker with physical access to write beyond the bounds of an allocated properties array.

The vulnerability exists due to incorrect indexing that causes an out-of-bounds write in the GUD plane property loop when processing properties advertised by a USB device. An attacker with physical access can advertise the maximum number of properties through a USB device to write beyond the bounds of an allocated properties array.


Remediation

Install update from vendor's website.

References