PT-2023-12018 · Imagination Technologies · Powervr Kernel Driver

Published 2023-04-19 · Updated 2023-04-26 · CVE-2021-0872

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions PowerVR kernel driver versions (affected versions not specified) Android SoC versions (affected versions not specified)

Description The issue is related to a missing size check in the PowerVR kernel driver, which could lead to an integer overflow and out-of-bounds heap access. This could result in local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For the PowerVR kernel driver, apply a patch that includes a size check to prevent integer overflow. For Android SoC, update to a version that includes the fix for the missing size check issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2021-0872

Affected Products

Powervr Kernel Driver

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2021-0872 · Security Note
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory