SB2024020807 - Denial of service in Linux kernel TIPC subsystem
Published: February 8, 2024
Security Bulletin ID
SB2024020807
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 locking (CVE-ID: CVE-2024-0641)
The vulnerability allows a malicious guest to perform a denial of service attack (DoS) on the target system.
The vulnerability exists due to double-locking error within the tipc_crypto_key_revoke() function in net/tipc/crypto.c. A malicious guest can exploit this vulnerability to cause a deadlock, resulting in a denial of service.
Remediation
Install update from vendor's website.