SB20241230224 - Improper error handling in Linux kernel hsr
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230224
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local 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 error handling (CVE-ID: CVE-2024-56639)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the hsr_init_skb(), send_hsr_supervision_frame() and send_prp_supervision_frame() functions in net/hsr/hsr_device.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.