VDB
CVE-2021-38787
CVE-2021-38787
PUBLISHED
CVSS 7.5 HIGH
There is an integer overflow in the ION driver "/dev/ion" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" to cause a system crash (denial of service).
EPSS 1.95% · 79.2th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.95%
79.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| allwinnertech | android_q_sdk | 1.0 |
| n/a | n/a | * |
Timeline
- Jan 19, 2022 CVE Published
- Jan 20, 2022 EPSS Score
- Mar 14, 2022 EPSS Score
- May 7, 2022 EPSS Score
- Jun 29, 2022 EPSS Score
- Aug 23, 2022 EPSS Score
- Oct 15, 2022 EPSS Score
- Dec 7, 2022 EPSS Score
- Jan 30, 2023 EPSS Score
- Mar 24, 2023 EPSS Score
- May 17, 2023 EPSS Score
- Jul 9, 2023 EPSS Score
References
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.md url
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171 url
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92 url
- https://vul.wangan.com/a/CNVD-2021-49171 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-38787 advisory