CVE-2024-50136
kernel: net/mlx5: Unregister notifier on eswitch init failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 5, 2024
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's mlx5 driver. When the eswitch initialization fails, a notifier callback remains registered. A local attacker with appropriate privileges could exploit this by attempting to re-enable the eswitch, leading to repeated warning messages and potentially causing a denial of service (DoS) due to system instability related to the eswitch functionality.
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-459 · Incomplete Cleanup