SB20250916320 - Resource management error in Linux kernel cpu resctrl
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916320
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-2023-53169)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the rdt_last_cmd_printf() and rdtgroup_init_alloc() functions in arch/x86/kernel/cpu/resctrl/rdtgroup.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/0424a7dfe9129b93f29b277511a60e87f052ac6b
- https://git.kernel.org/stable/c/3fc5941ecc31a495b6b84b465f36155009db99b5
- https://git.kernel.org/stable/c/86db319d25db70cf4af4557e05f6fa6f39c70003
- https://git.kernel.org/stable/c/8ecc60ef9318f0d533b866fa421858cc185bccfc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8