CVE-2024-46857
kernel: net/mlx5: Fix bridge mode operations when there are no VFs
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 27, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's net/mlx5 driver. A local attacker can trigger a null pointer dereference by attempting to configure bridge mode operations when no Virtual Functions (VFs) are present. This vulnerability can lead to a kernel crash, resulting in a denial of service (DoS) for the affected system.
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