PT-2022-6031 · Imagination Technologies+1 · Powervr-Gpu+1

Published 2022-08-24 · Updated 2022-08-29 · CVE-2021-39815

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

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

Description The issue is related to the PowerVR GPU driver in the Android operating system, which allows unprivileged applications to allocate pinned memory, unpin it, and continue using the page in GPU calls without requiring any privileges. This results in kernel memory corruption. The exploitation of this issue can allow a remote attacker to cause memory damage.

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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2022-07495

CVE-2021-39815

Affected Products

Android

Powervr-Gpu

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-39815 · Security Note
• https://bdu.fstec.ru/vul/2022-07495 · Security Note
• https://source.android.com/security/bulletin/2022-08-01 · Vendor Advisory
• https://t.me/cibsecurity/48648 · Telegram Post
• https://source.android.com/docs/security/bulletin/2022-08-01 · Note