SB2024091887 - NULL pointer dereference in Linux kernel uio driver



SB2024091887 - NULL pointer dereference in Linux kernel uio driver

Published: September 18, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024091887
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-2024-46739)

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

The vulnerability exists due to NULL pointer dereference within the hv_uio_channel_cb() function in drivers/uio/uio_hv_generic.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.