PT-2026-39059 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-15 · CVE-2026-43398

Positive Technologies (AI Summary)

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 amdgpu userq wait ioctl function fails to properly validate user inputs. Providing excessively large input values can lead to an Out-Of-Memory (OOM) condition, which is a state where the system cannot allocate enough memory to perform necessary operations, potentially resulting in a denial of service.

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

Related Identifiers

CVE-2026-43398

Affected Products

Linux Kernel

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-43398 · Security Note
• https://twitter.com/CVEnew/status/2052767683754750419 · Twitter Post
• https://twitter.com/infoflowcloud/status/2052769511980335299 · Twitter Post
• https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202a · Note
• https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613 · Note
• https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1 · Note
• https://twitter.com/hetmehtaa/status/2055151398283837677 · Twitter Post
• https://twitter.com/windowsforum/status/2053772095021105434 · Twitter Post