SB2026062942 - Improper Validation of Array Index in Linux kernel tegra cbb driver



SB2026062942 - Improper Validation of Array Index in Linux kernel tegra cbb driver

Published: June 29, 2026

Security Bulletin ID SB2026062942
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Validation of Array Index (CVE-ID: CVE-2026-53310)

CWE-ID: CWE-129 - Improper Validation of Array Index

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to cause a denial of service.

The vulnerability exists due to improper access of indexable resource location in tegra234_sw_lookup_target_timeout() when handling error interrupts for a different fabric. A local attacker can trigger a cross-fabric error condition to cause a denial of service.

The issue can lead to a kernel page fault during target timeout lookup.


Remediation

Install update from vendor's website.