PT-2026-34946 · Linux · Linux Kernel

CVE-2026-31594 · Published 2026-04-24 · Updated 2026-07-31

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 A duplicate resource teardown occurs in the PCI endpoint pci-epf-vntb. The function epf ntb epc destroy() performs a teardown that the caller is already expected to execute. This redundancy can lead to a kernel oops, which is a type of kernel panic or error, specifically when .allow link fails or when .drop link is performed.

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

Exploit

Related Identifiers

CVE-2026-31594

ECHO-77B3-B55C-D297

OPENSUSE-SU-2026:10703-1

USN-8488-1

USN-8488-2

USN-8507-1

USN-8567-1

USN-8569-1

USN-8574-1

USN-8574-2

USN-8574-3

USN-8575-1

USN-8575-2

USN-8575-3

USN-8576-1

USN-8576-2

USN-8595-1

USN-8595-2

USN-8595-3

USN-8596-1

USN-8597-1

USN-8603-1

USN-8606-1

USN-8607-1

USN-8608-1

USN-8609-1

USN-8610-1

USN-8619-1

USN-8620-1

USN-8620-2

USN-8620-3

USN-8620-4

Affected Products

Linux Kernel

References · 2033

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31594.json · Exploit
• https://ubuntu.com/security/CVE-2026-52916 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43117 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43371 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-64001 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-52959 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31416 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31580 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46128 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-64129 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46157 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31576 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45928 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23361 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43412 · Vendor Advisory