SB2025081221 - Ubuntu update for linux-gcp-6.8
Published: August 12, 2025
Security Bulletin ID
SB2025081221
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Race condition (CVE-ID: CVE-2025-38083)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the prio_tune() function in net/sched/sch_prio.c. A local user can escalate privileges on the system.
2) Input validation error (CVE-ID: CVE-2025-37797)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the hfsc_change_class() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.