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HomeCVEsCVE-2021-28664

CVE-2021-28664

Published: January 27, 2026
Last updated:8 hours ago (January 27, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 27, 2026

CVE-2021-28664 is a high severity vulnerability with a CVSS score of 8.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 8.8/10)
  • 2Public exploits are available
  • 3Vendor patches are available
  • 4Strobes Priority Score: 970/1000 (Critical)
  • 5Affects products from: Arm
Severity Scores
CVSS v38.8
CVSS v29.0
Priority Score970.0
EPSS Score0.0
High
Exploitation LikelihoodMinimal
0.00%EPSS

Very low probability of exploitation

Monitor and patch as resources allow
0.00%
EPSS
8.8
CVSS
Yes
Exploit
Yes
Patch
High Priority
exploit exists • high priority

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other processes.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Local
User Interaction:Network
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Exploit References
Cisa.gov
Patch References
[email protected][email protected][email protected]Zeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
ArmValhall Gpu Kernel Driver
ArmBifrost Gpu Kernel Driver
ArmMidgard Gpu Kernel Driver
Advisories
CISA: Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other processes.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2021-28664 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2021-28664
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