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CVE-2026-7476— Mali GPU Kernel Driver allows access to already freed memory

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存在资源管理错误漏洞，该漏洞源于释放后重用，允许本地非特权用户进程执行不当GPU内存处理操作，访问已释放内存。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.11% · P1

Affected Version Matrix 11

VendorProduct Version RangeStatus
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r49p3≤ r49p5 affected
r51p0≤ r54p3 affected
r55p0 affected
r56p0 unaffected
Arm Ltd Bifrost GPU Kernel Driver r49p3≤ r49p5 affected
r51p0 affected
r54p1≤ r54p2 affected
Arm Ltd Valhall GPU Kernel Driver r49p3≤ r49p5 affected
r51p0≤ r54p3 affected
r55p0 affected
r56p0 unaffected
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I. Basic Information for CVE-2026-7476

Vulnerability Information
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Vulnerability Title
Mali GPU Kernel Driver allows access to already freed memory
Source: CVE Program / CVE List V5
Vulnerability Description
Use After Free 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 access already freed memory. This issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
ARM Bifrost GPU Kernel Driver 资源管理错误漏洞
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存在资源管理错误漏洞，该漏洞源于释放后重用，允许本地非特权用户进程执行不当GPU内存处理操作，访问已释放内存。
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 r49p3 ~ r49p5 -
Arm Ltd Valhall GPU Kernel Driver r49p3 ~ r49p5 -
Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r49p3 ~ r49p5 -

II. Public POCs for CVE-2026-7476

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III. Intelligence Information for CVE-2026-7476

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Vendor Advisories for CVE-2026-7476 (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-2026-0860 Mali GPU Kernel Driver allows access to sensitive kernel information
CVE-2026-11891 Mali GPU Userspace Driver allows access to already freed memory
CVE-2026-9040 Mali GPU Kernel Driver allows denial of service or disclosure of sensitive information
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-416

V. Comments for CVE-2026-7476

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