SB2025073139 - Remote denial of service in Linux kernel



SB2025073139 - Remote denial of service in Linux kernel

Published: July 31, 2025

Security Bulletin ID SB2025073139
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing release of resource after effective lifetime (CVE-ID: CVE-2023-2593)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to lack of memory release after its effective lifetime when handling TCP connections. A remote attacker can initiate multiple TCP connections with the affected system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.