PT-2021-13370 · Google · Android

Published 2021-12-01 · Updated 2021-12-20 · CVE-2021-0955

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11

Description The issue is related to a possible memory corruption due to a race condition in the pf write buf function of FuseDaemon.cpp. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android version Android-11, update to a version that includes the fix for the issue in FuseDaemon.cpp, specifically addressing the pf write buf function to prevent memory corruption due to a race condition. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ASB-A-192085766

CVE-2021-0955

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0955 · Security Note
• https://osv.dev/vulnerability/ASB-A-192085766 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0955 · Vendor Advisory
• https://t.me/cvenotify/24646 · Telegram Post
• https://t.me/cibsecurity/34101 · Telegram Post