Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A race condition 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 process to perform improper GPU memory processing operations to cause a denial of service or disclose sensitive information. This issue affects Bifrost GPU Kernel Driver: from r12p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r19p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Bifrost GPU Kernel Driver | r12p0 – r49p5; r50p0 – r51p0; r54p1 – r54p2 | — | No fix listed | CNA |
| Arm | Valhall GPU Kernel Driver | r19p0 – r49p5; r50p0 – r54p3; r55p0 | r56p0 | Patch available | CNA |
| Arm | Arm 5th Gen GPU Architecture Kernel Driver | r41p0 – r49p5; r50p0 – r54p3; r55p0 | r56p0 | Patch available | CNA |
- Bifrost GPU Kernel Driver VendorArm Affected r12p0 – r49p5; r50p0 – r51p0; r54p1 – r54p2 Fixed in — No fix listed CNA
- Valhall GPU Kernel Driver VendorArm Affected r19p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA
- Arm 5th Gen GPU Architecture Kernel Driver VendorArm Affected r41p0 – r49p5; r50p0 – r54p3; r55p0 Fixed in r56p0 Patch available CNA
Remediation
- Fix · CNA Valhall GPU Kernel Driver (Arm Ltd) Fixed in r56p0
- Fix · CNA Arm 5th Gen GPU Architecture Kernel Driver (Arm Ltd) Fixed in r56p0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9040
- 2026-10-03 Alias added: GHSA-j8jv-6mvv-5vg8
References
More Arm 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-2026-9040 · CVE Program
- CVE-2026-9040 · NVD
- FIRST EPSS
- GHSA-j8jv-6mvv-5vg8 · GitHub Advisory Database · CC BY 4.0
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