Home/CVE/The session index variable in PCM host voice audio driver initialized before PCM open, accessed during event callback fr
CVE

CVE-2023-33110

The session index variable in PCM host voice audio driver initialized before PCM open, accessed during event callback fr

The session index variable in PCM host voice audio driver initialized before PCM open, accessed during event callback from ADSP and reset during PCM close may lead to race condition between event callback - PCM close and reset session index causing memory corruption.

HIGH · CVSS 7.8 EPSS 0.00085
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-823Use of Out-of-range Pointer Offset
▤

Affected Products & Versions

60
qualcomm snapdragon 425 mobile platform firmwareall versions
qualcomm snapdragon 427 mobile platform firmwareall versions
qualcomm snapdragon 429 mobile platform firmwareall versions
qualcomm snapdragon 430 mobile platform firmwareall versions
qualcomm snapdragon 435 mobile platform firmwareall versions
qualcomm snapdragon 439 mobile platform firmwareall versions
qualcomm snapdragon 450 mobile platform firmwareall versions
qualcomm snapdragon 460 mobile platform 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 NVD02 Jan 2024 · 06:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
android-securityANDROID-2024-01-01High
🔗

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/january-2024-bulletinVendor Advisory
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