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TI-2022-23234 Aliases CVE-2022-46891GHSA-394q-589m-ppr4

An issue was discovered in the Arm Mali GPU Kernel Driver.

Priority MEDIUM 42CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00828 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:*r1p0 – r40p0VulnerableArm
cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:*r13p0 – r32p0VulnerableArm
cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:*r19p0 – r40p0VulnerableArm
  • cpe:2.3:a:arm:bifrost_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r1p0 – r40p0 Vulnerable ·Arm
  • cpe:2.3:a:arm:midgard_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r13p0 – r32p0 Vulnerable ·Arm
  • cpe:2.3:a:arm:valhall_gpu_kernel_driver:*:*:*:*:*:*:*:* Versions r19p0 – r40p0 Vulnerable ·Arm

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-46891
  2. 2026-10-03 Alias added: GHSA-394q-589m-ppr4

References

  • 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
See all 32 →

Sources