SB20250916240 - Input validation error in Linux kernel pci controller driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916240
CSH 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 vulnerability.
1) Input validation error (CVE-ID: CVE-2023-53175)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the hv_pci_restore_msi_msg() function in drivers/pci/controller/pci-hyperv.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/04bbe863241a9be7d57fb4cf217ee4a72f480e70
- https://git.kernel.org/stable/c/223fc5352054900f70b8b5e10cfc2f297e70c512
- https://git.kernel.org/stable/c/d0687755407b21d252b98dca6be459153a60c62a
- https://git.kernel.org/stable/c/e32fc2168aa6b477290392ddbb73d95f012b050c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3