Home/CVE/Access to the uninitialized variable when the driver tries to unmap the dma buffer of a request which was never mapped i
CVE

CVE-2019-14079

Access to the uninitialized variable when the driver tries to unmap the dma buffer of a request which was never mapped i

Access to the uninitialized variable when the driver tries to unmap the dma buffer of a request which was never mapped in the first place leading to kernel failure in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in APQ8009, APQ8053, MDM9607, MDM9640, MSM8909W, MSM8953, QCA6574AU, QCS605, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SM8150, SXR1130.

HIGH · CVSS 7.8 EPSS 0.02099
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-908Use of Uninitialized Resource
▤

Affected Products & Versions

20
qualcomm apq8009 firmwareall versions
qualcomm apq8053 firmwareall versions
qualcomm mdm9607 firmwareall versions
qualcomm mdm9640 firmwareall versions
qualcomm msm8909w firmwareall versions
qualcomm msm8953 firmwareall versions
qualcomm qca6574au firmwareall versions
qualcomm qcs605 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 NVD05 Mar 2020 · 09:15 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-2020-03-01High
🔗

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/march-2020-bulletinVendor Advisory
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