PT-2025-8989 · Linux+3 · Linux Kernel+3

Charles Han

·

Publicado

2025-01-10

·

Atualizado

2026-04-20

·

CVE-2025-21798

CVSS v3.1

5.5

Média

VetorAV: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 A potential null dereference issue has been identified in the firewire kunit test of the Linux kernel. The kunit kzalloc() function may return a NULL pointer, and without a proper NULL check, dereferencing it could lead to a null dereference. This issue is resolved by adding a NULL check for test state.
Recommendations For the affected Linux kernel version, add a NULL check for test state to prevent potential null dereference.

Exploit

Correção

NULL Pointer Dereference

Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
dbugs@ptsecurity.com

Enumeração de Fraquezas

CWE-476

Identificadores relacionados

BDU:2025-12194
CVE-2025-21798
USN-7521-1
USN-7521-2
USN-7521-3
USN-7651-1
USN-7651-2
USN-7651-3
USN-7651-4
USN-7651-5
USN-7651-6
USN-7652-1
USN-7653-1
USN-7737-1

Produtos afetados

Astra Linux
Linuxmint
Linux Kernel
Ubuntu