What is CVE-2021-31795?

CVE-2021-31795 is a high-severity vulnerability in Pvrsrvkm.ko Project, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2021-04-24.

How severe is CVE-2021-31795?

High severity. CVSS v3 base score is 7.0 out of 10.

Buffer overflow in Pvrsrvkm.ko Project

CVE-2021-31795

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (28.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pvrsrvkm.ko_project Pvrsrvkm.ko
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31795?: CVE-2021-31795 is a high-severity vulnerability in Pvrsrvkm.ko Project, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2021-04-24.
How severe is CVE-2021-31795?: High severity. CVSS v3 base score is 7.0 out of 10.