SB20251210160 - Resource management error in Linux kernel s390 kernel
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210160
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-2023-53859)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the account_idle_time_irq() function in arch/s390/kernel/idle.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/49aa49952116b8fd56bfb1e8c69bce179f49bece
- https://git.kernel.org/stable/c/611c390217106c46e24e1af3db83187339d447ea
- https://git.kernel.org/stable/c/a9cbc1b471d291c865907542394f1c483b93a811
- https://git.kernel.org/stable/c/fc60c4f12d8a056f20d8f4d0086a36c68ffa9fdc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3