PT-2023-18005 · Linux · Linux Kernel

CVE-2023-21216 · Publicado 2023-12-04 · Atualizado 2023-12-22

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

AV:N/AC:L/PR:N/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 issue is related to a possible arbitrary code execution due to a use after free in the PMRChangeSparseMemOSMem function of physmem osmem linux.c. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

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

Incorrect Default Permissions

Enumeração de Fraquezas

CWE-276

Identificadores relacionados

CVE-2023-21216

Produtos afetados

Linux Kernel

Referências · 4

• https://nvd.nist.gov/vuln/detail/CVE-2023-21216 · Nota de Segurança
• https://t.me/cvenotify/64811 · Publicação no Telegram
• https://t.me/cvenotify/62206 · Publicação no Telegram
• https://source.android.com/security/bulletin/2023-12-01 · Aviso do Fabricante