#VU92039 Improper locking in Linux kernel - CVE-2024-26837 

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Main Vulnerability Database Vulnerabilities #VU92039

#VU92039 Improper locking in Linux kernel - CVE-2024-26837

Published: June 13, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU92039
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26837
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the switchdev_obj_eq() and switchdev_port_obj_del() functions in net/switchdev/switchdev.c, within the br_switchdev_mdb_replay_one() and br_switchdev_mdb_replay() functions in net/bridge/br_switchdev.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links