SB2025022872 - Resource management error in Linux kernel
Published: February 28, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022872
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-2025-21816)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the HRTIMER_ACTIVE_SOFT(), DEFINE_PER_CPU(), hrtimer_base_is_online(), lock_hrtimer_base(), raw_spin_unlock(), WRITE_ONCE(), hrtimer_is_hres_enabled() and __hrtimer_start_range_ns() functions in kernel/time/hrtimer.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.