CVE-2021-28664 kev in the critical feed json
The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achi…
published 5y ago modified 4mo ago also EUVD-2021-15328
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03
- epss
- 5.5%
- EPSS 5.5% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 through r30p0 before r31p0.
Patch / fix
cisa required action Apply updates per vendor instructions.
- arm bifrost_gpu_kernel_driver r29p0
- arm midgard_gpu_kernel_driver r31p0
- arm valhall_gpu_kernel_driver r29p0
Is CVE-2021-28664 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- 0-day patched (Project Zero)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5y ago
- Patch by
- 2021-11-17 (4y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Arm, Mali Graphics Processing Unit (GPU)
- CISA name
- Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2021-05-03
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
5.45% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
developer.arm.com
/support/arm-security-updates
vendor-advisory
-
developer.arm.com
/support/arm-security-updates/mali-gpu-kernel-driver
vendor-advisory
-
developer.arm.com
/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
vendor-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28664
government-resource, us-government-resource
Sources
- CVE List CVE-2021-28664
- NVD CVE-2021-28664
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.