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CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a...

Basic Information

CVE State
PUBLISHED
Reserved Date
March 18, 2021
Published Date
May 10, 2021
Last Updated
August 03, 2024
Vendor
n/a
Product
n/a
Description
The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.
Tags
cisa

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0

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

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2021-09-01 22:59:29 UTC) Source

References

https://developer.arm.com/support/arm-security-updates https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver https://github.com/lntrx/CVE-2021-28663

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

lntrx/CVE-2021-28663

Type: github • Created: 2021-09-01 22:59:29 UTC • Stars: 121

A basic PoC leak for CVE-2021-28663 (Internal of the Android kernel backdoor vulnerability)

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Proof of Concept Exploit Available

  • Added to KEVIntel