#VU90796 Improper locking in Linux kernel - CVE-2023-52638 

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Main Vulnerability Database Vulnerabilities #VU90796

#VU90796 Improper locking in Linux kernel - CVE-2023-52638

Published: June 3, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90796
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-2023-52638
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 j1939_jsk_add(), j1939_sk_recv_match(), j1939_sk_recv(), j1939_sk_errqueue() and j1939_sk_netdev_event_netdown() functions in net/can/j1939/socket.c, within the j1939_netdev_start() function in net/can/j1939/main.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links