PT-2023-2006 · Google · Android Kernel

Publicado 2023-02-06 · Atualizado 2025-03-21 · CVE-2023-20937

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a use after free in several functions of the Android Linux kernel, which could lead to local escalation of privilege without needing additional execution privileges. User interaction is not required for exploitation.

Recommendations For Android kernel, consider applying a patch from the upstream kernel to resolve the issue. As a temporary workaround, restrict access to sensitive areas of the kernel to minimize the risk of exploitation.

Exploit

Correção

Use After Free

Enumeração de Fraquezas

CWE-416

Identificadores relacionados

BDU:2023-01630

CVE-2023-20937

Produtos afetados

Android Kernel

Referências · 22

• 🔥 http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html · Exploit
• https://ubuntu.com/security/CVE-2023-20937 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-20937 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2023-01630 · Nota de Segurança
• https://source.android.com/docs/security/bulletin/2023-02-01?hl=ru · Nota
• https://android.googlesource.com/kernel/common/+/5844c8e7aaa946341f0d30441adc8f2cd97efbfc · Nota
• https://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html · Nota
• https://android.googlesource.com/kernel/common/+/533a88fed7d0107eff64d723d853e9a2c4a1053c · Nota
• https://source.android.com/security/bulletin/2023-02-01 · Aviso do Fabricante
• https://android.googlesource.com/kernel/common/+/ca96bd7bf10e62eccc583726be502f219ab02c1e · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-20937 · Nota de Segurança
• https://t.me/cibsecurity/59121 · Publicação no Telegram
• https://t.me/cvenotify/115714 · Publicação no Telegram
• https://security-tracker.debian.org/tracker/CVE-2023-20937 · Aviso do Fabricante
• https://source.android.com/docs/security/bulletin/2023-02-01 · Nota