SB2025081849 - Reachable assertion in Linux kernel rxrpc



SB2025081849 - Reachable assertion in Linux kernel rxrpc

Published: August 18, 2025

Security Bulletin ID SB2025081849
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 security vulnerability.


1) Reachable assertion (CVE-ID: CVE-2025-38544)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to reachable assertion within the rxrpc_service_prealloc_one() function in net/rxrpc/call_accept.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.