Buffer overflow in Allwinnertech Android Q Sdk
CVE-2021-38783
There is a Out-of-Bound Write in the Allwinner R818 SoC Android Q SDK V1.0 camera driver "/dev/cedar_dev" through iotcl cmd IOCTL_SET_PROC_INFO and IOCTL_COPY_PROC_INFO, which could cause a system crash or EoP.
Vulnerability class: Buffer Overflow
EPSS: 0.018 (76.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Allwinnertech Android_q_sdk — versions 1.0
- Allwinnertech R818
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-38783?
- CVE-2021-38783 is a high-severity vulnerability in Allwinnertech Android Q Sdk, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-01-18.
- How severe is CVE-2021-38783?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-38783 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.