SB20240531284 - Out-of-bounds read in Linux kernel ipv4



SB20240531284 - Out-of-bounds read in Linux kernel ipv4

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531284
CSH 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 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2019-25160)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to read data or crash the application.

The vulnerability exists due to an out-of-bounds read error within the cipso_v4_bitmap_walk() and cipso_v4_map_lvl_valid() functions in net/ipv4/cipso_ipv4.c. A local user can read data or crash the application.


Remediation

Install update from vendor's website.