CVE-2020-0235 Information

Description

In crus_sp_shared_ioctl we first copy 4 bytes from userdata into \size\ variable and then use that variable as the size parameter for \copy_from_user\ ending up overwriting memory following \crus_sp_hdr. \crus_sp_hdr\ is a static variable of type \struct crus_sp_ioctl_header.Product: AndroidVersions: Android kernelAndroid ID: A-135129430

CVSS Vector

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

Reference

https://source.android.com/security/bulletin/pixel/2020-06-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8