CVE-2026-31595

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup 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 paging request at virtual address ffff800083f46004 [...] Internal error: Oops: 0000000096000007 [#1] SMP [...] Call trace: epf_ntb_cmd_handler+0x54/0x200 [pci_epf_vntb] (P) process_one_work+0x154/0x3b0 worker_thread+0x2c8/0x400 kthread+0x148/0x210 ret_from_fork+0x10/0x20

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedApr 24, 2026
First seenApr 24, 2026

How to fix

Update
  • linux linux_kernel6.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0.1 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.0 ≤ v < 6.6.136, 6.7 ≤ v < 6.12.83, 6.13 ≤ v < 6.18.24, 6.19 ≤ v < 6.19.14, 7.0 ≤ v < 7.0.16.6.136, 6.12.83, 6.18.24, 6.19.14, 7.0.1

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