SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-0041

Android Kernel Out-of-Bounds Write Vulnerability

KEVHIGH 7.8EPSS 3.25%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

In binder_transaction of binder.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-145988638References: Upstream kernel

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
3.25% probability · 88th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-20
Affected
google/android
Source
security@android.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-0041

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.