High severity7.0NVD Advisory· Published Apr 24, 2021· Updated Jun 17, 2026

CVE-2021-31795

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Pvrsrvkm.ko Project/Pvrsrvkm.ko
cpe:2.3:a:pvrsrvkm.ko_project:pvrsrvkm.ko:*:*:*:*:*:*:*:*
Range: <=2021-04-24
Linux/Linux kerneldescription
Alcatel Lucent/PowerVR GPU kernel driverllm-create
Range: <=2021-04-24

Patches

Vulnerability mechanics

References

mcyoloswagham.github.io/linux/nvdExploitThird Party Advisory

News mentions

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