SB2025121713 - Red Hat Enterprise Linux 10 update for kernel
Published: December 17, 2025
Security Bulletin ID
SB2025121713
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) Input validation error (CVE-ID: CVE-2025-38499)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the clone_private_mount() function in fs/namespace.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2025-39984)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tun_get_user() function in drivers/net/tun.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.