SB2023062635 - Local denial of service in Linux kernel DECnet



SB2023062635 - Local denial of service in Linux kernel DECnet

Published: June 26, 2023 Updated: July 19, 2024

Security Bulletin ID SB2023062635
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-2023-3338)

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 DECnet socket in net/decnet/dn_nsp_out.c. A local user can trigger a NULL pointer dereference and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.