Mali GPU Kernel Driver exposes sensitive data from freed memory
Priority LOW 27CWE-1251Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
A local non-privileged user can make GPU processing operations that expose sensitive data from previously freed memory.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0034 27th percentileScored 2026-11-07
Fix Fixed Bifrost GPU Kernel Driver (Arm Ltd): r42p0Valhall GPU Kernel Driver (Arm Ltd): r42p0+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Arm | Midgard GPU Kernel Driver | r8p0 – r32p0 | — | No fix listed | CNA |
| Arm | Bifrost GPU Kernel Driver | r0p0 to before r42p0 | r42p0 | Patch available | CNA |
| Arm | Valhall GPU Kernel Driver | r19p0 to before r42p0 | r42p0 | Patch available | CNA |
| Arm | Arm 5th Gen GPU Architecture Kernel Driver | r41p0 to before r42p0 | r42p0 | Patch available | CNA |
- Midgard GPU Kernel Driver VendorArm Affected r8p0 – r32p0 Fixed in — No fix listed CNA
- Bifrost GPU Kernel Driver VendorArm Affected r0p0 to before r42p0 Fixed in r42p0 Patch available CNA
- Valhall GPU Kernel Driver VendorArm Affected r19p0 to before r42p0 Fixed in r42p0 Patch available CNA
- Arm 5th Gen GPU Architecture Kernel Driver VendorArm Affected r41p0 to before r42p0 Fixed in r42p0 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* | r0p0 – r41p0 | Vulnerable | Arm |
| cpe:2.3:a:arm:mali_gpu_kernel_driver:r41p0:*:*:*:*:*:*:* | r41p0 | Vulnerable | Arm |
| cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* | r8p0 – r32p0 | Vulnerable | Arm |
| cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* | r19p0 – r41p0 | Vulnerable | Arm |
- cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r0p0 – r41p0 Vulnerable ·Arm
- cpe:2.3:a:arm:mali_gpu_kernel_driver:r41p0:*:*:*:*:*:*:* Versions r41p0 Vulnerable ·Arm
- cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r8p0 – r32p0 Vulnerable ·Arm
- cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r19p0 – r41p0 Vulnerable ·Arm
Remediation
- Fix · CNA Bifrost GPU Kernel Driver (Arm Ltd) Fixed in r42p0
- Fix · CNA Valhall GPU Kernel Driver (Arm Ltd) Fixed in r42p0
- Fix · CNA Arm 5th Gen GPU Architecture Kernel Driver (Arm Ltd) Fixed in r42p0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4272
- 2026-10-03 Alias added: GHSA-gh94-rfj3-873r
References
More Arm Bifrost Gpu Kernel Driver vulnerabilities
- TI-2022-17875 The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because… KEVCVSS 3.1HIGH 8.8
- TI-2021-10068 . KEVCVSS 3.1HIGH 8.8
- TI-2021-09732 The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory… KEVCVSS 3.1HIGH 8.8
- TI-2021-09731 The Arm Mali GPU kernel driver allows privilege escalation or information disclosure… KEVCVSS 3.1HIGH 8.8
- TI-2024-04292 Mali GPU Kernel Driver allows improper GPU memory processing operations KEVCVSS 3.1HIGH 7.8
- TI-2022-06958 Arm Mali GPU Kernel Driver allows a non-privileged user to achieve write access to… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2023-4272 · CVE Program
- CVE-2023-4272 · NVD
- FIRST EPSS
- GHSA-gh94-rfj3-873r · GitHub Advisory Database · CC BY 4.0
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