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.

CVSS v3.1

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

CVSS v2.0

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2021-04-24

Updated

2024-08-03

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2021-31777
• CVE-2021-31796
• CVE-2021-3177
• CVE-2021-31799
• CVE-2021-31769
• CVE-2021-31800