SB2024093041 - Out-of-bounds read in Linux kernel ethtool



SB2024093041 - Out-of-bounds read in Linux kernel ethtool

Published: September 30, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024093041
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) Out-of-bounds read (CVE-ID: CVE-2024-46834)

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

The vulnerability exists due to an out-of-bounds read error within the ethtool_set_channels() function in net/ethtool/ioctl.c, within the ethtool_get_max_rxfh_channel() function in net/ethtool/common.c, within the ethnl_set_channels() function in net/ethtool/channels.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.