SB20250916347 - Resource management error in Linux kernel hv driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916347
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-2023-53273)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the vmbus_disconnect() function in drivers/hv/connection.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/176c6b4889195fbe7016d9401175b48c5c9edf68
- https://git.kernel.org/stable/c/1eb65c8687316c65140b48fad27133d583178e15
- https://git.kernel.org/stable/c/8c3f0ae5435fd20bb1e3a8308488aa6ac33151ee
- https://git.kernel.org/stable/c/a5c44f3446a0565139b7d8abc78f58b86c398123
- https://git.kernel.org/stable/c/c373e49fbb87aa177819866ed9194ebc5414dfd6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.107