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CVE-2024-21471— Use After Free in Graphics Linux

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets 存在安全漏洞，该漏洞源于在 Linux 中，当 IOMMU 取消映射 GPU 缓冲区失败时会发生内存损坏。

CVSS 8.4 · High EPSS 0.11% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2024-21471

Vulnerability Information
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Vulnerability Title
Use After Free in Graphics Linux
Source: CVE Program / CVE List V5
Vulnerability Description
Memory corruption when IOMMU unmap of a GPU buffer fails in Linux.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets 存在安全漏洞，该漏洞源于在 Linux 中，当 IOMMU 取消映射 GPU 缓冲区失败时会发生内存损坏。
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
Qualcomm, Inc. Snapdragon AR8035 -

II. Public POCs for CVE-2024-21471

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III. Intelligence Information for CVE-2024-21471

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Other References for CVE-2024-21471 (1)

Same Patch Batch · Qualcomm, Inc. · 2024-05-06 · 18 CVEs total

CVE-2024-23351 8.4 HIGH Improper Access Control in Graphics Linux
CVE-2023-33119 8.4 HIGH Time-of-check Time-of-use (TOCTOU) Race Condition in Hypervisor
CVE-2023-43531 8.4 HIGH Access of Uninitialized Pointer in SPS Applications
CVE-2024-21474 8.4 HIGH Stack-based Buffer Overflow in PMIC
CVE-2024-23354 8.4 HIGH Use After Free in Graphics Linux
CVE-2024-21476 7.8 HIGH Improper Input Validation in Secure Processor
CVE-2024-21475 7.8 HIGH Use of Out-of-range Pointer Offset in Video
CVE-2024-21477 7.5 HIGH Buffer Over-read in WLAN Firmware
CVE-2023-43529 7.5 HIGH Reachable Assertion in Data Modem
CVE-2024-21480 7.3 HIGH Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Audio
CVE-2023-43527 6.8 MEDIUM Buffer Over-read in Video
CVE-2023-43526 6.7 MEDIUM Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Audio
CVE-2023-43525 6.7 MEDIUM Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Audio
CVE-2023-43524 6.7 MEDIUM Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Audio
CVE-2023-43521 6.7 MEDIUM Use After Free in HLOS
CVE-2023-43528 6.1 MEDIUM Buffer Over-read in Audio
CVE-2023-43530 5.9 MEDIUM Integer Overflow or Wraparound in HLOS

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-416

V. Comments for CVE-2024-21471

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