CVE-2021-39815 — Use After Free in Google Android

CWE-416 — Use After Free3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
0.1%
top 64.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Google Android
Timeline
PublishedAug 24
Latest updateAug 25

Description

The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it (which makes it available to be freed), and continue using the page in GPU calls. No privileges required and this results in kernel memory corruption.Product: AndroidVersions: Android SoCAndroid ID: A-232440670

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

1
GHSA
GHSA-92r8-v8q7-fwwr: The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it (which makes it available to be freed), and continue using the pa↗2022-08-25
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📋Vendor Advisories

1
Android
CVE-2021-39815: PowerVR-GPU↗2022-08-01
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