SB2022092040 - Denial of service in Linux kernel netfilter
Published: September 20, 2022
Security Bulletin ID
SB2022092040
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) Out-of-bounds read (CVE-ID: CVE-2022-39190)
The vulnerability allows a local user to perform a denial of service attack.
The vulnerability exists due to an out-of-bounds read error within the net/netfilter/nf_tables_api.c in the Linux kernel. A local user can bind to an already bound chain and crash the kernel.
Remediation
Install update from vendor's website.