Mali GPU Kernel Driver allows improper GPU memory processing operations
Out-of-bounds Write vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user to make improper GPU memory processing operations. Depending on the configuration of the Mali GPU Kernel Driver, and if the system’s memory is carefully prepared by the user, then this in turn could write to memory outside of buffer bounds.This issue affects Bifrost GPU Kernel Driver: from r41p0 through r45p0; Valhall GPU Kernel Driver: from r41p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r45p0.
- Published
- Feb 5, 2024
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 7th percentile
- CWE
- CWE-787
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| arm | 5th gen gpu architecture kernel driver | cpe:2.3:a:arm:5th_gen_gpu_architecture_kernel_driver |
| arm | bifrost gpu kernel driver | cpe:2.3:a:arm:bifrost_gpu_kernel_driver |
| arm | valhall gpu kernel driver | cpe:2.3:a:arm:valhall_gpu_kernel_driver |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- arm 5th gen gpu architecture kernel driverr41p0 and later · before r46p0
- arm bifrost gpu kernel driverr41p0 and later · before r46p0
- arm valhall gpu kernel driverr41p0 and later · before r46p0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Arm). Independent of NVD's CPE analysis and usually ahead of it.
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver
- r41p0 and later · up to and including r45p0affected · patchfixed in r46p0
Arm Ltd Bifrost GPU Kernel Driver
- r41p0 and later · up to and including r45p0affected · patchfixed in r46p0
Arm Ltd Valhall GPU Kernel Driver
- r41p0 and later · up to and including r45p0affected · patchfixed in r46p0
Same product
arm: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-4211Mali GPU Kernel Driver Allows Improper GPU Memory Processing OperationsKEV52Plan
- CVE-2023-26083Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver aKEV43Plan
- CVE-2023-6143Mali GPU Kernel Driver allows improper GPU memory processing operations33Monitor
- CVE-2025-0819Mali GPU Kernel Driver allows access to already freed memory31Monitor
- CVE-2025-0073Mali GPU Kernel Driver allows improper GPU memory processing operations31Monitor
- CVE-2025-0427Mali GPU Kernel Driver allows access to already freed memory31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver | r46p0 | Vendor (CNA) |
| Arm Ltd Bifrost GPU Kernel Driver | r46p0 | Vendor (CNA) |
| Arm Ltd Valhall GPU Kernel Driver | r46p0 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2023-3280463 days apartMali GPU Userspace Driver can make an Out-of-Bounds access31Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.