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CVE-2026-9040— Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information

Quick assessment

Affected
Arm Ltd Bifrost GPU Kernel Driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ARM Bifrost GPU Kernel Driver是英国ARM公司开源的一个 Bifrost GPU 内核驱动程序。 ARM Bifrost GPU Kernel Driver存在竞争条件问题漏洞，该漏洞源于GPU内存处理操作中的竞争条件，本地非特权用户进程可能借此执行不当的GPU内存处理操作，导致拒绝服务或敏感信息泄露。

AI Predicted 6.4 Difficulty: Hard EPSS 0.10% · P1

Possible ATT&CK Techniques 2 AI

T1015 T1499 · Endpoint Denial of Service

Affected Version Matrix 11

VendorProduct Version RangeStatus
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r41p0≤ r49p5 affected
r50p0≤ r54p3 affected
r55p0 affected
r56p0 unaffected
Arm Ltd Bifrost GPU Kernel Driver r12p0≤ r49p5 affected
r50p0≤ r51p0 affected
r54p1≤ r54p2 affected
Arm Ltd Valhall GPU Kernel Driver r19p0≤ r49p5 affected
r50p0≤ r54p3 affected
r55p0 affected
r56p0 unaffected
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I. Basic Information for CVE-2026-9040

Vulnerability Information
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Vulnerability Title
Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
ARM Bifrost GPU Kernel Driver 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ARM Bifrost GPU Kernel Driver是英国ARM公司开源的一个 Bifrost GPU 内核驱动程序。 ARM Bifrost GPU Kernel Driver存在竞争条件问题漏洞，该漏洞源于GPU内存处理操作中的竞争条件，本地非特权用户进程可能借此执行不当的GPU内存处理操作，导致拒绝服务或敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arm Ltd Bifrost GPU Kernel Driver r12p0 ~ r49p5 -
Arm Ltd Valhall GPU Kernel Driver r19p0 ~ r49p5 -
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r41p0 ~ r49p5 -

II. Public POCs for CVE-2026-9040

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III. Intelligence Information for CVE-2026-9040

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Vendor Advisories for CVE-2026-9040 (1)

Same Patch Batch · Arm Ltd · 2026-09-08 · 10 CVEs total

CVE-2026-0001 Mali GPU Kernel Driver allows access to already freed memory
CVE-2026-7477 Mali GPU Kernel Driver allows access to already freed memory
CVE-2026-7476 Mali GPU Kernel Driver allows access to already freed memory
CVE-2026-0860 Mali GPU Kernel Driver allows access to sensitive kernel information
CVE-2026-11891 Mali GPU Userspace Driver allows access to already freed memory
CVE-2026-9034 Mali GPU Userspace Driver allows access to already freed memory
CVE-2026-12285 Mali GPU Kernel Driver allows access to already freed memory
CVE-2026-12387 Mali GPU Kernel Driver allows access to already freed memory
CVE-2026-5729 Mali GPU Kernel Driver allows access to already freed memory

IV. Related Vulnerabilities

Same product: Bifrost GPU Kernel Driver
Same vendor: Arm Ltd
Same weakness: CWE-362

V. Comments for CVE-2026-9040

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