PT-2026-34947 · Linux · Linux Kernel

Published 2026-04-24 · Updated 2026-05-06 · CVE-2026-31595

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the PCI endpoint pci-epf-vntb where the cmd handler work is not stopped during the epf ntb epc cleanup() function. This can lead to the handler running after BAR mappings and doorbells have been cleared, resulting in a kernel paging request error and a system crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-31595

ECHO-7749-A601-DE63

OPENSUSE-SU-2026:10703-1

Affected Products

Linux Kernel

References · 78

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31595 · Vendor Advisory
• https://git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e · Patch
• https://git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2 · Patch
• https://cve.org/CVERecord?id=CVE-2026-31595 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10703-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31595 · Security Note
• https://git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-31595 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31595 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31595 · Vendor Advisory
• https://git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-31595 · Vendor Advisory
• https://git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c · Patch
• https://git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f · Patch
• https://suse.com/security/cve/CVE-2026-31577 · Note