CVE-2026-31595

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

State: Published
Severity: Not scored
Published: Apr 24, 2026
Updated: Jun 14, 2026
Reserved: Mar 9, 2026

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e35f56bb03304abc92c928b641af41ca372966bb to before b2eb405bbced3a6e772545e1b74dbde37cee1f8fAffected e35f56bb03304abc92c928b641af41ca372966bb to before ceb73484e7204f661f770069ecdf35f6e941879cAffected e35f56bb03304abc92c928b641af41ca372966bb to before 6773cc24c004930903a57761132c1e7728907f8fAffected e35f56bb03304abc92c928b641af41ca372966bb to before 9921cce25bfe4021f6e55ca995351eb967165297Affected e35f56bb03304abc92c928b641af41ca372966bb to before 5999067140c67530a6cb6f41a8471596e60452cbAffected e35f56bb03304abc92c928b641af41ca372966bb to before fbb6c353fa2fb5f5f990eda034a1074b0356127eAffected e35f56bb03304abc92c928b641af41ca372966bb to before d799984233a50abd2667a7d17a9a710a3f10ebe2Affected e2b6ef72b7aea9d7d480d2df499bcd1c93247abbAffected 5.15.153 to before 5.16Affected
LinuxLinux	6.0Affected before 6.0Not affected 6.1.175 through 6.1.Not affected 6.6.136 through 6.6.Not affected 6.12.83 through 6.12.Not affected 6.18.24 through 6.18.Not affected 6.19.14 through 6.19.Not affected 7.0.1 through 7.0.Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

e35f56bb03304abc92c928b641af41ca372966bb to before b2eb405bbced3a6e772545e1b74dbde37cee1f8fAffected
e35f56bb03304abc92c928b641af41ca372966bb to before ceb73484e7204f661f770069ecdf35f6e941879cAffected
e35f56bb03304abc92c928b641af41ca372966bb to before 6773cc24c004930903a57761132c1e7728907f8fAffected
e35f56bb03304abc92c928b641af41ca372966bb to before 9921cce25bfe4021f6e55ca995351eb967165297Affected
e35f56bb03304abc92c928b641af41ca372966bb to before 5999067140c67530a6cb6f41a8471596e60452cbAffected
e35f56bb03304abc92c928b641af41ca372966bb to before fbb6c353fa2fb5f5f990eda034a1074b0356127eAffected
e35f56bb03304abc92c928b641af41ca372966bb to before d799984233a50abd2667a7d17a9a710a3f10ebe2Affected
e2b6ef72b7aea9d7d480d2df499bcd1c93247abbAffected
5.15.153 to before 5.16Affected

LinuxLinux

6.0Affected
before 6.0Not affected
6.1.175 through 6.1.*Not affected
6.6.136 through 6.6.*Not affected
6.12.83 through 6.12.*Not affected
6.18.24 through 6.18.*Not affected
6.19.14 through 6.19.*Not affected
7.0.1 through 7.0.*Not affected
7.1 and laterNot affected

References

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