SB2023091126 - Local denial of service in Linux kernel netfilter
Published: September 11, 2023
Security Bulletin ID
SB2023091126
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) Memory leak (CVE-ID: CVE-2023-4569)
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the nft_set_catchall_flush() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service attack.
Remediation
Install update from vendor's website.