SB2025080625 - Privilege escalation in Linux kernel netfilter 



SB2025080625 - Privilege escalation in Linux kernel netfilter

Published: August 6, 2025 Updated: August 29, 2025

Security Bulletin ID SB2025080625
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2025-2073)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the bitmap_ip_uadt() function in net/netfilter/ipset/ip_set_bitmap_ip.c. A local user can trigger memory corruption and escalate privileges on the system.


Remediation

Install update from vendor's website.

References