PT-2026-34395 · Linux · Linux Kernel

Published 2026-04-22 · Updated 2026-04-28 · CVE-2026-31490

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A use-after-free issue exists in the migration restore process. When the function xe sriov pf migration restore produce() returns an error, the data pointer is not set to NULL, which can lead to a use-after-free condition during subsequent .write() calls.

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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-31490

Affected Products

Linux Kernel

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-31490 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31490 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31490 · Vendor Advisory
• https://git.kernel.org/stable/c/e28552b4ddea5cb4725380dd08237831af835124 · Patch
• https://git.kernel.org/stable/c/87997b6c6516e049cbaf2fc6810b213d587a06b1 · Patch
• https://cve.org/CVERecord?id=CVE-2026-31490 · Security Note
• https://ubuntu.com/security/CVE-2026-31490 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-31490 · Vendor Advisory
• https://twitter.com/CVEnew/status/2046979989501857959 · Twitter Post
• https://git.kernel.org/linus/87997b6c6516e049cbaf2fc6810b213d587a06b1 · Note
• https://t.me/cveNotify/161242 · Telegram Post