CVE-2026-43211
MediumSummary
A vulnerability in the Linux kernel related to error handling in the pci_slot_trylock() function has been resolved. The fix adds missing bridge locks to the pci_bus_lock() function, improving PCI device lock management.
Risk Assessment
Inadequate error handling in lock management may lead to issues with PCI device availability, potentially affecting system stability.
Recommendation
It is recommended to update the Linux kernel to the latest version to benefit from the introduced fix and minimize risks associated with this vulnerability.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pci_slot_trylock() error handling Commit a4e772898f8b ("PCI: Add missing bridge lock to pci_bus_lock()") delegates the bridge device's pci_dev_trylock() to pci_bus_trylock() in pci_slot_trylock(), but it forgets to remove

