CVE-2026-25271— Time-of-check Time-of-use (TOCTOU) Race Condition in DSP Service
Possible ATT&CK Techniques 2AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 21
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon | Cologne | affected |
FastConnect 6900 | affected | ||
FastConnect 7800 | affected | ||
IQX5121 | affected | ||
IQX7181 | affected | ||
QCA0000 | affected | ||
SC8380XP | affected | ||
WCD9378C | affected | ||
| … +13 more rows | |||
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I. Basic Information for CVE-2026-25271
Vulnerability Information
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Vulnerability Title
Time-of-check Time-of-use (TOCTOU) Race Condition in DSP Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Qualcomm, Inc. | Snapdragon | Cologne | - |
II. Public POCs for CVE-2026-25271
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-25271 (1)
Same Patch Batch · Qualcomm, Inc. · 2026-07-06 · 11 CVEs total
| CVE-2026-25268 | 8.8 HIGH | Stack-based Buffer Overflow in WLAN Host |
| CVE-2026-21379 | 7.8 HIGH | Buffer Over-read in Windows Compute |
| CVE-2026-21383 | 7.1 HIGH | Reusing a Nonce, Key Pair in Encryption in HLOS |
| CVE-2025-59617 | 6.6 MEDIUM | Use After Free in Computer Vision |
| CVE-2025-59616 | 6.6 MEDIUM | Use After Free in Computer Vision |
| CVE-2025-59615 | 6.6 MEDIUM | Use After Free in Computer Vision |
| CVE-2026-21384 | 5.3 MEDIUM | Out-of-bounds Write in Camera Driver |
| CVE-2026-21370 | 5.3 MEDIUM | Out-of-bounds Write in Camera Driver |
| CVE-2026-21369 | 5.3 MEDIUM | Out-of-bounds Write in Camera Driver |
| CVE-2026-21368 | 5.3 MEDIUM | Out-of-bounds Write in Camera Driver |
IV. Related Vulnerabilities
Same weakness: CWE-367
- CVE-2026-43927
FOSSBilling has race condition in cart checkout that bypasse - CVE-2026-58299
Microsoft Edge for Android Remote Code Execution Vulnerabili - CVE-2026-55950
DTLS listener crash via race condition in dtls_packet_demux - CVE-2026-24260
NVIDIA Container Toolkit 竞争条件问题漏洞 - CVE-2026-14160
Samsung Open Source Escargot 竞争条件问题漏洞
V. Comments for CVE-2026-25271
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