PT-2021-3393 · Google · Android Kernel

Published 2021-06-22 · Updated 2021-06-25 · CVE-2021-0606

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel versions (affected versions not specified)

Description The issue is related to a possible use after free due to incorrect refcounting in the drm syncobj handle to fd function of drm syncobj.c. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. The vulnerability may also allow an attacker to gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Information Disclosure

Weakness Enumeration

CWE-416

CWE-200

Related Identifiers

BDU:2021-03244

CVE-2021-0606

Affected Products

Android Kernel

References · 7

• https://cve.org/CVERecord?id=CVE-2021-0606 · Security Note
• https://bdu.fstec.ru/vul/2021-03244 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-0606 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-06-01 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-0606 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-0606 · Vendor Advisory
• https://t.me/cibsecurity/25600 · Telegram Post