#VU77246 Deadlock in Linux kernel - CVE-2023-31084

 

#VU77246 Deadlock in Linux kernel - CVE-2023-31084

Published: June 13, 2023


Vulnerability identifier: #VU77246
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-2023-31084
CWE-ID: CWE-833
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 a deadlock in drivers/media/dvb-core/dvb_frontend.c when a task is in !TASK_RUNNING. A local user can trigger a deadlock and crash the kernel.


Remediation

Install updates from vendor's website.

External links