PT-2023-12022 · Google · Android

Publicado 2023-04-19 · Atualizado 2023-04-27 · CVE-2021-0876

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 versions prior to the fixed version

Description A missing size check in the PowerVR kernel driver's PVRSRVBridgePhysmemNewRamBackedLockedPMR function could lead to an integer overflow, allowing out-of-bounds heap access. This issue could result in local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions prior to the fixed version, consider applying the patch provided by the Android security team to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Enumeração de Fraquezas

CWE-190

Identificadores relacionados

CVE-2021-0876

Produtos afetados

Android

Referências · 3

• https://t.me/cvenotify/49154 · Publicação no Telegram
• https://source.android.com/security/bulletin/2023-04-01 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2021-0876 · Nota de Segurança