Home/CVE/Improper integrity check can lead to race condition between tasks PDCP and RRC? right after a valid RRC security mode co
CVE

CVE-2021-35082

Improper integrity check can lead to race condition between tasks PDCP and RRC? right after a valid RRC security mode co

Improper integrity check can lead to race condition between tasks PDCP and RRC? right after a valid RRC security mode command packet has been received in Snapdragon Industrial IOT.

CRITICAL · CVSS 9.1 EPSS 0.0023
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

3
qualcomm mdm9206 firmwareall versions
qualcomm qca9367 firmwareall versions
qualcomm qca9377 firmwareall versions
▣

Scoring & Timeline

9.1
CRITICAL · 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 NVD14 Jun 2022 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
🔗

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/may-2022-bulletinVendor Advisory
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