SB20260925153 - Improper update of reference count in Linux kernel media tegra-video driver

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Main Vulnerability Database SB20260925153

SB20260925153 - Improper update of reference count in Linux kernel media tegra-video driver

Published: September 25, 2026

Security Bulletin ID SB20260925153
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper update of reference count (CVE-ID: CVE-2026-93223)

CWE-ID: CWE-911 - Improper Update of Reference Count

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a reference count underflow of an Open Firmware node.

The vulnerability exists due to improper reference count management in tegra_vip_channel_of_parse() in the tegra-video VIP driver when parsing endpoint nodes from a malformed device tree. A local user can trigger an endpoint parsing error with a malformed device tree to cause a reference count underflow of an Open Firmware node.


Remediation

Install update from vendor's website.

References