SB20250226458 - NULL pointer dereference in Linux kernel char hw_random driver



SB20250226458 - NULL pointer dereference in Linux kernel char hw_random driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226458
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) NULL pointer dereference (CVE-ID: CVE-2022-49177)

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

The vulnerability exists due to NULL pointer dereference within the cavium_map_pf_regs() function in drivers/char/hw_random/cavium-rng-vf.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.