CVE-2021-38785
High
Published: 18 January 2022
Published
18 January 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0078
74.1th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-38785 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Allwinnertech Android Q Sdk. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 25.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-25222
Vulnerability details
There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev that could use the ioctl cmd IOCTL_GET_IOMMU_ADDR to cause a system crash.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
allwinnertech
android q sdk
1.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.