SB2026091862 - Infinite loop in Linux kernel hw bng_re driver



SB2026091862 - Infinite loop in Linux kernel hw bng_re driver

Published: September 18, 2026

Security Bulletin ID SB2026091862
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) Infinite loop (CVE-ID: CVE-2026-93153)

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

CVSSv4: 6.8 [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]


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

The vulnerability exists due to improper handling of timeout expiration in __wait_for_resp() when waiting for a firmware command response. A local user can issue a firmware command while firmware responses stall to cause a denial of service.


Remediation

Install update from vendor's website.