PT-2026-38940 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-15 · CVE-2026-43298

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 drm/amdgpu component where the Virtual Function (VF) does not enable the VCN poison interrupt request (irq) in VCNv2.5. Attempting to release this interrupt during deinitialization can lead to a call trace and teardown instability in GPU virtualization. The problem occurs within the amdgpu irq put() function, specifically triggered during the vcn v2 5 hw fini() process.

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

Related Identifiers

CVE-2026-43298

Affected Products

Linux Kernel

References · 13

• https://git.kernel.org/stable/c/8ee9aa80d4f1893a6699d46c403a1731548b544b · Patch
• https://git.kernel.org/stable/c/8980be03b3f9a4b58197ef95d3b37efa41a25331 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43298 · Vendor Advisory
• https://git.kernel.org/stable/c/f1db6fc5a834c8ca9485cc0596dd7df8b8619b64 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-43298 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-43298 · Security Note
• https://ubuntu.com/security/CVE-2026-43298 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43298 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-43298 · Vendor Advisory
• https://twitter.com/windowsforum/status/2053781344212156895 · Twitter Post
• https://git.kernel.org/linus/8980be03b3f9a4b58197ef95d3b37efa41a25331 · Note
• https://twitter.com/CVEnew/status/2053174646468497609 · Twitter Post
• https://twitter.com/hetmehtaa/status/2055151398283837677 · Twitter Post