SB2024081986 - NULL pointer dereference in Linux kernel ipv4 netfilter
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081986
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-42270)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the iptable_nat_init() function in net/ipv4/netfilter/iptable_nat.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/95590a4929027769af35b153645c0ab6fd22b29b
- https://git.kernel.org/stable/c/70014b73d7539fcbb6b4ff5f37368d7241d8e626
- https://git.kernel.org/stable/c/08ed888b69a22647153fe2bec55b7cd0a46102cc
- https://git.kernel.org/stable/c/5830aa863981d43560748aa93589c0695191d95d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.104
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.45