SB2025052187 - Input validation error in Linux kernel include asm



SB2025052187 - Input validation error in Linux kernel include asm

Published: May 21, 2025

Security Bulletin ID SB2025052187
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) Input validation error (CVE-ID: CVE-2025-37948)

CWE-ID: CWE-20 - Improper input validation

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


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

The vulnerability exists due to improper input validation within the pr_fmt(), build_plt(), build_epilogue() and bpf_int_jit_compile() functions in arch/arm64/net/bpf_jit_comp.c, within the this_cpu_set_vectors() function in arch/arm64/kernel/proton-pack.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.