CVE-2021-31795

HIGH

pvrsrvkm.ko < 2021-04-24 - Out-of-bounds Write via PhysmemNewRamBackedPMR

Title source: llm

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://mcyoloswagham.github.io/linux/

Scores

CVSS v3 7.0

EPSS 0.0036

EPSS Percentile 28.3%

Attack Vector LOCAL

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

Details

CWE

CWE-787

Status published

Products (1)

pvrsrvkm.ko_project/pvrsrvkm.ko < 2021-04-24

Published Apr 24, 2021

Tracked Since Feb 18, 2026