SB2023071829 - Improper locking in Linux kernel core
Published: July 18, 2023
Security Bulletin ID
SB2023071829
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-2023-0160)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __sock_map_delete() and sock_hash_delete_elem() functions in net/core/sock_map.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.