SB2025050842 - Improper locking in Linux kernel misc mchp_pci1xxxx driver
Published: May 8, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050842
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) Improper locking (CVE-ID: CVE-2025-37815)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pci1xxxx_gpio_irq_handler() function in drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.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/1263d5f581908602c618c6665e683c4436383a09
- https://git.kernel.org/stable/c/12cc2193f2b9548e8ea5fbce8201b44158222edf
- https://git.kernel.org/stable/c/18eb77c75ed01439f96ae5c0f33461eb5134b907
- https://git.kernel.org/stable/c/4e02059dc91068bc5017b8546f9ec3b930f6d6a6
- https://git.kernel.org/stable/c/62957f58ab3aa7fa792dc6ff3575624062539a4d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.89