The vulnerability of the `epf_ntb_epc_init()` function in the `driver/pci/endpoint/functions/pci-epf-vntb.c` driver for Linux system devices allows a hacker to cause a service failure.

The vulnerability of the epfntbepcinit function in the driver/pci/endpoint/functions/pci-epf-vntb.c driver for Linux system devices related to PCI devices is associated with the race condition that occurs when a shared resource is used. Exploiting this vulnerability can allow an attacker to cause...

Linux Distros Unpatched Vulnerability : CVE-2026-31595

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the...

CVE-2026-31595

A flaw was found in the Linux kernel's pci-epf-vntb module. This vulnerability occurs due to improper handling of the cmdhandler work during the epfntbepccleanup process. If the delayed work is not disabled before clearing BAR mappings and doorbells, the handler can attempt to access resources th...

AZL-83777 CVE-2026-31594 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Remove duplicate resource teardown epfntbepcdestroy duplicates the teardown that the caller is supposed to perform later. This leads to an oops when .allowlink fails or when .droplink is performed. Th...

AZL-83855 CVE-2026-31595 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the handler after resources have been torn down. Unable to handle kernel...

CVE-2026-31595 PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the handler after resources have been torn down. Unable to handle kernel...

CVE-2026-31595 PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the handler after resources have been torn down. Unable to handle kernel...

CVE-2026-31595: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmdhandler work in epfntbepccleanup Disable the delayed work before clearing BAR mappings and doorbells to avoid running the handler after resources have been torn down. Unable to handle kernel...

PT-2026-34946

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A duplicate resource teardown occurs in the PCI endpoint pci-epf-vntb. The function epf ntb epc destroy performs a teardown that the caller is already expected to execute. This redundanc...

CVE-2026-31594: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Remove duplicate resource teardown epfntbepcdestroy duplicates the teardown that the caller is supposed to perform later. This leads to an oops when .allowlink fails or when .droplink is performed. Th...