Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed error handling for pcislottrylock The commit a4e772898f8b “PCI: Added bridge lock to pcibuslock” delegates the bridge device’s pcidevtrylock to pcibustrylock in pcislottrylock. However, it forgot to remove the...

The vulnerability of the pci_slot_trylock() function in the drivers/pci/pci.c file of the Linux operating system’s PCI device driver module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the pcislottrylock function in the drivers/pci/pci.c file of the Linux operating system’s PCI device driver module is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrit...

CVE-2026-43211

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pcislottrylock error handling Commit a4e772898f8b "PCI: Add missing bridge lock to pcibuslock" delegates the bridge device's pcidevtrylock to pcibustrylock in pcislottrylock, but it forgets to remove the corresponding...

CVE-2026-43211

CVE-2026-43211 – Linux kernel PCI slot lock handling fix The issue arises in PCI lock management: pci_slot_trylock() incorrectly handled unlocking when nested locks fail, due to an extra pci_dev_unlock(dev) on the failure path after delegating to pci_bus_trylock(). This could trigger a warning ab...

CVE-2026-43211

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pcislottrylock error handling Commit a4e772898f8b "PCI: Add missing bridge lock to pcibuslock" delegates the bridge device's pcidevtrylock to pcibustrylock in pcislottrylock, but it forgets to remove the corresponding...

CVE-2026-43211 PCI: Fix pci_slot_trylock() error handling

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pcislottrylock error handling Commit a4e772898f8b "PCI: Add missing bridge lock to pcibuslock" delegates the bridge device's pcidevtrylock to pcibustrylock in pcislottrylock, but it forgets to remove the corresponding...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper handling of the error handling path in the pcislottrylock function. This issue...

PT-2026-37551

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the pci slot trylock function where error handling is incorrectly implemented. Following a change that delegated the bridge device's pci dev trylock to pci bus trylock...