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CVE-2025-21475— Buffer Over-read in Display

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，该漏洞源于处理转义代码时DisplayId传递过大的无符号值导致内存损坏。

CVSS 7.8 · High EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-21475

Vulnerability Information
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Vulnerability Title
Buffer Over-read in Display
Source: CVE Program / CVE List V5
Vulnerability Description
Memory corruption while processing escape code, when DisplayId is passed with large unsigned value.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
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，该漏洞源于处理转义代码时DisplayId传递过大的无符号值导致内存损坏。
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 AQT1000 -

II. Public POCs for CVE-2025-21475

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III. Intelligence Information for CVE-2025-21475

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Vendor Advisories for CVE-2025-21475 (1)

Same Patch Batch · Qualcomm, Inc. · 2025-05-06 · 35 CVEs total

CVE-2024-49846 8.2 HIGH Buffer Over-read in Multi-Mode Call Processor
CVE-2025-21469 7.8 HIGH Improper Access Control in Camera Driver
CVE-2024-45554 7.8 HIGH Use After Free in DSP Service
CVE-2024-45564 7.8 HIGH Use After Free in HLOS
CVE-2024-45565 7.8 HIGH Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Driver
CVE-2024-45566 7.8 HIGH Use After Free in Camera Driver
CVE-2024-45567 7.8 HIGH Use After Free in Camera Driver
CVE-2024-45574 7.8 HIGH Improper Validation of Array Index in Camera Driver
CVE-2024-45575 7.8 HIGH Integer Overflow or Wraparound in Camera Driver
CVE-2024-45576 7.8 HIGH Improper Validation of Array Index in Camera Driver
CVE-2024-45577 7.8 HIGH Improper Input Validation in Camera Driver
CVE-2024-45578 7.8 HIGH Improper Validation of Array Index in Camera Driver
CVE-2024-45579 7.8 HIGH Improper Input Validation in Camera Driver
CVE-2024-49835 7.8 HIGH Out-of-bounds Write in SPS Applications
CVE-2025-21470 7.8 HIGH Improper Access Control in Camera Driver
CVE-2025-21468 7.8 HIGH Out-of-bounds Write in Computer Vision
CVE-2025-21467 7.8 HIGH Out-of-bounds Write in Computer Vision
CVE-2025-21462 7.8 HIGH Out-of-bounds Write in Computer Vision
CVE-2024-49842 7.8 HIGH Improper Access Control in Hypervisor
CVE-2024-49844 7.8 HIGH Improper Input Validation in Automotive

Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-126

V. Comments for CVE-2025-21475

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