VULNERABILITY INTELLIGENCE

CVE-2021-38787

CVSS score7.5 HIGH
EPSS probability1.95%
CISA KEVNot currently listed
Published2022-01-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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).

Weakness classification

  • nvd@nist.gov: CWE-190

Primary references