SB20250227174 - Resource management error in Linux kernel batman-adv
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227174
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2025-21781)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the batadv_v_elp_start_timer() and batadv_v_elp_get_throughput() functions in net/batman-adv/bat_v_elp.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/072b2787321903287a126c148e8db87dd7ef96fe
- https://git.kernel.org/stable/c/2c3fb7df4cc6d043f70d4a8a10f8b915bbfb75e7
- https://git.kernel.org/stable/c/522b1596ea19e327853804da2de60aeb9c5d6f42
- https://git.kernel.org/stable/c/7eb5dd201695645af071592a50026eb780081a72
- https://git.kernel.org/stable/c/ccb7276a6d26d6f8416e315b43b45e15ee7f29e2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.79