SB2023121834 - Fedora 39 update for kernel
Published: December 18, 2023
Security Bulletin ID
SB2023121834
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) NULL pointer dereference (CVE-ID: CVE-2023-6622)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the nft_dynset_init() function in net/netfilter/nft_dynset.c in nf_tables. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.