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 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://mcyoloswagham.github.io/linux/	Exploit Third Party Advisory
https://mcyoloswagham.github.io/linux/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pvrsrvkm.ko_project:pvrsrvkm.ko:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:06

Type	Values Removed	Values Added
References	~~() https://mcyoloswagham.github.io/linux/ - Exploit, Third Party Advisory~~	() https://mcyoloswagham.github.io/linux/ - Exploit, Third Party Advisory

Information

Published : 2021-04-24 18:15

Updated : 2024-11-21 06:06

NVD link : CVE-2021-31795

Mitre link : CVE-2021-31795

CVE.ORG link : CVE-2021-31795

JSON object : View

Products Affected

pvrsrvkm.ko_project

pvrsrvkm.ko

CWE

CWE-787

Out-of-bounds Write

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