CVE-2021-31795

Public Exploit

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.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mcyoloswagham.github.io/linux/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-31795?
CVE-2021-31795 has been scored as a high severity vulnerability.
How to fix CVE-2021-31795?
To fix CVE-2021-31795, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31795 being actively exploited in the wild?
It is possible that CVE-2021-31795 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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