CVE-2024-40961
kernel: ipv6: prevent possible NULL deref in fib6_nh_init()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 12, 2024
Updated · October 29, 2026
Description
A vulnerability was found in the Linux kernel's IPv6 routing component, where a NULL dereference occurs in the fib6_nh_init() function, this issue arises when the function attempts to initialize a network interface without verifying its availability, potentially leading to a DoS.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference