by Kastro
Paper/Archive/CVE-2021-39815

CVE-2021-39815

google_android — The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it (which makes it available to be freed), and continue…

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
37
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 35.7.357 × 207.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
AndroidAndroid SoC–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsource.android.com/security/bulletin/2022-08-01