SB2023041038 - NULL pointer dereference in Linux kernel UNIX protocol implementation



SB2023041038 - NULL pointer dereference in Linux kernel UNIX protocol implementation

Published: April 10, 2023

Security Bulletin ID SB2023041038
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) NULL pointer dereference (CVE-ID: CVE-2023-28327)

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

The vulnerability exists due to a NULL pointer dereference error within the unix_diag_get_exact() function in net/unix/diag.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.