SB2024040457 - Local denial of service in Linux kernel nf_tables
Published: April 4, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024040457
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 access control (CVE-ID: CVE-2024-26642)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper access restrictions within the nf_tables_newset() function in net/netfilter/nf_tables_api.c. A local user can set arbitrary timeouts, which can result in a denial of service condition.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/16603605b667b70da974bea8216c93e7db043bf1
- https://git.kernel.org/stable/c/72c1efe3f247a581667b7d368fff3bd9a03cd57a
- https://git.kernel.org/stable/c/c0c2176d1814b92ea4c8e7eb7c9cd94cd99c1b12
- https://git.kernel.org/stable/c/8e07c16695583a66e81f67ce4c46e94dece47ba7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12