SB2025052158 - Use of uninitialized resource in Linux kernel netfilter ipvs



SB2025052158 - Use of uninitialized resource in Linux kernel netfilter ipvs

Published: May 21, 2025

Security Bulletin ID SB2025052158
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) Use of uninitialized resource (CVE-ID: CVE-2025-37961)

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

The vulnerability exists due to use of uninitialized resource within the __mtu_check_toobig_v6(), do_output_route4() and __ip_vs_get_out_rt() functions in net/netfilter/ipvs/ip_vs_xmit.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.