PT-2026-37384 · Linux · Linux Kernel

Published 2026-05-06 · Updated 2026-05-06 · CVE-2026-43074

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 (UAF) issue exists in the Linux kernel where the ep free() function in eventpoll.c may release the epi->ep eventpoll structure while it is still being accessed by another concurrent thread.

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

Related Identifiers

CVE-2026-43074

Affected Products

Linux Kernel

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-43074 · Security Note
• https://t.me/cveNotify/162302 · Telegram Post
• https://git.kernel.org/stable/c/07712db80857d5d09ae08f3df85a708ecfc3b61f · Note
• https://git.kernel.org/stable/c/5b1173b165421561db29f30afc7e97d940a398a9 · Note
• https://git.kernel.org/stable/c/a6566cd33f6f967a7651ebf2ce0dd31572e319cf · Note
• https://git.kernel.org/stable/c/ae0bb9c1fb7c2594519aeeb096cf2c3b7837b322 · Note
• https://git.kernel.org/stable/c/7e8083f5eeedab0f460063b9c2c14c9a4e71a427 · Note