SB20240603199 - Improper error handling in Linux kernel batman-adv



SB20240603199 - Improper error handling in Linux kernel batman-adv

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

Security Bulletin ID SB20240603199
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) Improper error handling (CVE-ID: CVE-2021-47482)

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

The vulnerability exists due to improper error handling within the batadv_tt_init() function in net/batman-adv/translation-table.c, within the batadv_nc_mesh_init() function in net/batman-adv/network-coding.c, within the batadv_mesh_init() function in net/batman-adv/main.c, within the batadv_bla_init() function in net/batman-adv/bridge_loop_avoidance.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.