VulnerabilityModified
CVE-2021-38787
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).
HIGH 7.5EPSS 1.95%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.95% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- allwinnertech/android q sdk
- Source
- cve@mitre.org
References
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.mdBroken Link, Third Party Advisory
- https://vul.wangan.com/a/CNVD-2021-49171Third Party Advisory
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92Product, Vendor Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171Third Party Advisory
- https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AION%20Driver%20Integer%20Overflow.mdBroken Link, Third Party Advisory
- https://vul.wangan.com/a/CNVD-2021-49171Third Party Advisory
- https://www.allwinnertech.com/index.php?c=product&a=index&id=92Product, Vendor Advisory
- https://www.cnvd.org.cn/flaw/show/CNVD-2021-49171Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.