SB20240620145 - Release of invalid pointer or reference in Linux kernel



SB20240620145 - Release of invalid pointer or reference in Linux kernel

Published: June 20, 2024

Security Bulletin ID SB20240620145
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) Release of invalid pointer or reference (CVE-ID: CVE-2023-31082)

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

An issue was discovered in drivers/tty/n_gsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmld_write, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability.


Remediation

Install update from vendor's website.