SB20251226325 - Resource management error in Linux kernel hv driver
Published: December 26, 2025
Security Bulletin ID
SB20251226325
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-2025-68743)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the mshv_partition_region_by_gfn() and mshv_partition_create_region() functions in drivers/hv/mshv_root_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.