PT-2026-37384 · Linux+2 · Linux Kernel+2

CVE-2026-43074

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Published

2026-03-31

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Updated

2026-09-12

CVSS v3.1

7.8

High

VectorAV: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. Use-After-Free is a condition where a program continues to use a pointer after it has been freed, which can lead to crashes or unauthorized memory access.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

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Weakness Enumeration

Related Identifiers

ALSA-2026:36541
ALSA-2026:36645
BDU:2026-09448
CVE-2026-43074
OPENSUSE-SU-2026:21388-1
RHSA-2026:36186
RHSA-2026:36541
RHSA-2026:36645
RHSA-2026:37729
RHSA-2026:39371
SUSE-SU-2026:22433-1
SUSE-SU-2026:22436-1
SUSE-SU-2026:22458-1
SUSE-SU-2026:22460-1
SUSE-SU-2026:22742-1
SUSE-SU-2026:22769-1
SUSE-SU-2026:22812-1
SUSE-SU-2026:22835-1
SUSE-SU-2026:2632-1
SUSE-SU-2026:2799-1
SUSE-SU-2026:2800-1
USN-8567-1
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-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
USN-8665-1
USN-8668-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu