SB20240603141 - Use of uninitialized resource in Linux kernel llc

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Main Vulnerability Database SB20240603141

SB20240603141 - Use of uninitialized resource in Linux kernel llc

Published: June 3, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240603141
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) Use of uninitialized resource (CVE-ID: CVE-2023-52843)

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

The vulnerability exists due to use of uninitialized resource within the llc_station_ac_send_test_r() function in net/llc/llc_station.c, within the llc_sap_action_send_test_r() function in net/llc/llc_s_ac.c, within the llc_fixup_skb() function in net/llc/llc_input.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References