CVE-2026-9040

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.

Affected Software

VendorProductVersion RangeStatus
Arm LtdBifrost GPU Kernel Driverr12p0 <= r49p5affected
Arm LtdBifrost GPU Kernel Driverr50p0 <= r51p0affected
Arm LtdBifrost GPU Kernel Driverr54p1 <= r54p2affected
Arm LtdValhall GPU Kernel Driverr19p0 <= r49p5affected
Arm LtdValhall GPU Kernel Driverr50p0 <= r54p3affected
Arm LtdValhall GPU Kernel Driverr55p0affected
Arm LtdValhall GPU Kernel Driverr56p0unaffected
Arm LtdArm 5th Gen GPU Architecture Kernel Driverr41p0 <= r49p5affected
Arm LtdArm 5th Gen GPU Architecture Kernel Driverr50p0 <= r54p3affected
Arm LtdArm 5th Gen GPU Architecture Kernel Driverr55p0affected
Arm LtdArm 5th Gen GPU Architecture Kernel Driverr56p0unaffected

Weaknesses

  • CWE-362: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References