CVE-2021-28663

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Summary

CVECVE-2021-28663
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-10 15:15:00 UTC
Updated2023-12-13 13:51:00 UTC
DescriptionThe 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.

Risk And Classification

EPSS: 0.026590000 probability, percentile 0.857110000 (date 2026-04-01)

CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Unknown

Problem Types: CWE-416

CISA Known Exploited Vulnerability

VendorArm
ProductMali Graphics Processing Unit (GPU)
NameArm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-28663

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Arm Bifrost Gpu Kernel Driver All All All All
Application Arm Midgard Gpu Kernel Driver All All All All
Application Arm Midguard Gpu Kernel Driver All All All All
Application Arm Valhall Gpu Kernel Driver All All All All

References

ReferenceSourceLinkTags
Arm Security Center MISC developer.arm.com
GitHub - lntrx/CVE-2021-28663: A basic PoC leak for CVE-2021-28663 (Internal of the Android kernel backdoor vulnerability) MISC github.com
Arm Security Updates | Mali GPU Driver Vulnerabilities – Arm Developer CONFIRM developer.arm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 610338 Google Android Devices May 2021 Security Patch Missing
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