SB20230820231 - Fedora 37 update for kernel



SB20230820231 - Fedora 37 update for kernel

Published: August 20, 2023

Security Bulletin ID SB20230820231
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Deadlock (CVE-ID: CVE-2023-31084)

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 update from vendor's website.