CVE-2026-31595: Linux kernel · PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 12 Nov 2026, 00:34 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 24 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Linux Linux | Affected
| Fixed in– |
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
References
- git.kernel.org/stable/c/b2eb405bbced3a6e772545e1b74dbde37cee1f8f (opens in a new tab)
- git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c (opens in a new tab)
- git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f (opens in a new tab)
- git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297 (opens in a new tab)
- git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb (opens in a new tab)
- git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e (opens in a new tab)
- git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2 (opens in a new tab)