SB2025100358 - SUSE update for frr
Published: October 3, 2025
Security Bulletin ID
SB2025100358
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2024-55553)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the application revalidates all routes if the total size of an update received via RTR exceeds the internal socket's buffer size, default 4K on most OSes. A remote attacker can trigger re-parsing of the RIB for FRR routers using RTR by causing more than this number of updates during an update interval (usually 30 minutes).
Remediation
Install update from vendor's website.