PT-2022-14793 · Google · Android Kernel

Published 2022-12-16 · Updated 2022-12-21 · CVE-2022-20587

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to improper input validation in the ppmp validate wsm function of drm fw.c, which could lead to a local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android kernel, consider restricting access to the ppmp validate wsm function until a patch is available. As a temporary workaround, review and enhance input validation mechanisms to prevent potential exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2022-20587

Affected Products

Android Kernel

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2022-20587 · Security Note
• https://source.android.com/security/bulletin/pixel/2022-12-01 · Vendor Advisory
• https://t.me/cvenotify/40306 · Telegram Post