CVE-2025-21951: bus: mhi: host: pci_generic: Use pci_try_reset_function() to avoid deadlock
bus: mhi: host: pcigeneric: Use pcitryresetfunction() to avoid deadlock
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 5.15.180.1-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.85.1-2
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21951?
CVE-2025-21951 has a severity rating that indicates a significant risk to system functionality due to potential deadlocks.
How do I fix CVE-2025-21951?
To address CVE-2025-21951, update the Linux Kernel to the latest stable version where this vulnerability has been resolved.
What systems are affected by CVE-2025-21951?
CVE-2025-21951 affects systems running the Linux Kernel that utilize the PCI Generic protocol for device communication.
What is the impact of CVE-2025-21951?
The impact of CVE-2025-21951 may include system deadlocks if recovery functions are not handled correctly.
When was CVE-2025-21951 disclosed?
CVE-2025-21951 was disclosed as part of ongoing security updates for the Linux Kernel to improve system reliability.