Use-after-free vulnerability in ion_ioctl in ion-ioctl.c allows local attackers to leak kernel head data and potentially disclose sensitive information without additional execution privileges.

Use-after-free vulnerability in ion_ioctl in ion-ioctl.c allows local attackers to leak kernel head data and potentially disclose sensitive information without additional execution privileges.

CVE-2021-39800 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

In ion_ioctl of ion-ioctl.c, there is a possible way to leak kernel head data due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208277166References: Upstream kernel

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