CVE-2026-31595 PUBLISHED

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

Assigner: Linux
Reserved: 09.03.2026 Published: 24.04.2026 Updated: 24.04.2026

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

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 6773cc24c004930903a57761132c1e7728907f8f (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 9921cce25bfe4021f6e55ca995351eb967165297 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 5999067140c67530a6cb6f41a8471596e60452cb (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to fbb6c353fa2fb5f5f990eda034a1074b0356127e (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • unaffected from 6.12.83 to 6.12.* (incl.)
  • unaffected from 6.18.24 to 6.18.* (incl.)
  • unaffected from 6.19.14 to 6.19.* (incl.)
  • unaffected from 7.0.1 to 7.0.* (incl.)

References