CVE-2021-38785 describes a NULL pointer dereference vulnerability in the Allwinner R818 SoC Android Q SDK V1.0 camera driver, specifically within the /dev/cedar_dev component. This flaw, triggered by the ioctl cmd IOCTL_GET_IOMMU_ADDR, can lead to a system crash. With a CVSS score of 7.5 (HIGH), it is remotely exploitable with low attack complexity and no user interaction required, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0CPE matchmatch criteria | cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.