SB2023073109 - Privilege escalation in Linux kernel netfilter
Published: July 31, 2023
Security Bulletin ID
SB2023073109
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-3610)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nf_tables component in Linux kernel netfilter. A local user with CAP_NET_ADMIN capability can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.