SB20250227124 - Improper locking in Linux kernel net driver
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227124
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) Improper locking (CVE-ID: CVE-2024-57994)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pfifo_fast_change_tx_queue_len() function in net/sched/sch_generic.c, within the tun_queue_resize() function in drivers/net/tun.c, within the tap_queue_resize() function in drivers/net/tap.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.