CVE Database›Document archive›CVE-2024-40905

CVE-2024-40905

kernel: ipv6: fix possible race in __fib6_drop_pcpu_from()

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Severity

Moderate

Red Hat Product Security

4.4

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 in the __fib6_drop_pcpu_from() function, resulting in a race condition, this vulnerability occurs when the multiple CPUs access and modify a pointer simultaneously, leading to a potential null pointer dereference.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference