PT-2025-43617 · Linux+3 · Linux Kernel+3

CVE-2025-40021

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Publicado

2025-09-24

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Atualizado

2026-08-23

CVSS v3.1

7.8

Alta

VetorAV: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 The Linux kernel has an issue where the dynamic events interface on tracefs does not check the lockdown status, potentially allowing unauthorized access. This interface is compatible with kprobe events and uprobe events, and should also enforce lockdown restrictions.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Enumeração de Fraquezas

Identificadores relacionados

AZL-68811
BDU:2026-02700
CVE-2025-40021
DLA-4379-1
DLA-4404-1
DSA-6053-1
ECHO-0FC4-6C09-043E
MGASA-2025-0309
MGASA-2025-0310
OESA-2025-2632
OESA-2025-2633
OESA-2025-2634
OESA-2025-2635
OESA-2025-2636
OPENSUSE-SU-2025:20172-1
SUSE-SU-2025:4393-1
SUSE-SU-2025:4422-1
SUSE-SU-2025:4505-1
SUSE-SU-2025:4516-1
SUSE-SU-2025:4517-1
SUSE-SU-2025:4521-1
SUSE-SU-2026:20012-1
SUSE-SU-2026:20015-1
SUSE-SU-2026:20021-1
SUSE-SU-2026:20039-1
SUSE-SU-2026:20059-1
SUSE-SU-2026:20473-1
SUSE-SU-2026:20496-1
SUSE-SU-2026:20562-1
USN-8033-1
USN-8033-2
USN-8033-3
USN-8033-4
USN-8033-5
USN-8033-6
USN-8033-7
USN-8033-8
USN-8034-1
USN-8034-2
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8100-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1

Produtos afetados

Debian
Linuxmint
Linux Kernel
Ubuntu