CVE Database›CVE-2024-40958

CVE-2024-40958

kernel: netns: Make get_net_ns() handle zero refcount net

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 12, 2024

Updated · October 31, 2026

Description

A vulnerability was found in the Linux kernel's netns in the get_net_ns() function. This vulnerability occurs when a network namespace reference count is zero, leading to a use-after-free condition that can trigger a kernel panic.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free