CVE-2021-31795

PoC —

CVSS 3.1

7.0 high

EPSS

<1%p30

Published

Apr 24, 2021 (Apr 24, 2021)

Modified

Jun 17, 2026

Description

The PowerVR GPU kernel driver in pvrsrvkm.ko through 2021-04-24 for the Linux kernel, as used on Alcatel 1S phones, allows attackers to overwrite heap memory via PhysmemNewRamBackedPMR.

Vendors: pvrsrvkm.ko project
Products: pvrsrvkm.ko
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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