CVE-2026-31595
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
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.14-1 |
| debian | sid | fixed | 6.19.14-1 |
| debian | trixie | fixed | 6.12.85-1 |
| linux-kernel | affected | 6.6.136 |
References
- https://git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb
- https://git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f
- https://git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297
- https://git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c
- https://git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2
- https://git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e
- https://www.suse.com/security/cve/CVE-2026-31595.html
- https://security-tracker.debian.org/tracker/CVE-2026-31595
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.