Home/CVE/Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in S
CVE

CVE-2021-1921

Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in S

Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile.

HIGH · CVSS 7.8 EPSS 0.0003
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
▤

Affected Products & Versions

57
qualcomm aqt1000 firmwareall versions
qualcomm qca6390 firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6420 firmwareall versions
qualcomm qca6421 firmwareall versions
qualcomm qca6426 firmwareall versions
qualcomm qca6430 firmwareall versions
qualcomm qca6431 firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Nov 2021 · 07:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
android-securityANDROID-2021-11-01High
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletinVendor Advisory
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