SB2026050217 - Use of uninitialized resource in Linux kernel ti icssg driver



SB2026050217 - Use of uninitialized resource in Linux kernel ti icssg driver

Published: May 2, 2026

Security Bulletin ID SB2026050217
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) Use of uninitialized resource (CVE-ID: CVE-2026-43039)

CWE-ID: CWE-908 - Use of Uninitialized Resource

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


The vulnerability allows a local attacker to disclose sensitive information.

The vulnerability exists due to uninitialized memory exposure in emac_dispatch_skb_zc() when processing zero-copy receive packets. A local attacker can trigger packet reception to disclose sensitive information.


Remediation

Install update from vendor's website.