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CVE-2021-0342

Date: January 11, 2021

In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2021-0342
https://source.android.com/security/bulletin/pixel/2021-01-01
https://nvd.nist.gov/vuln/detail/CVE-2021-0342
https://access.redhat.com/security/cve/CVE-2021-0342
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-0342
https://www.mend.io/vulnerability-database/CVE-2021-0342

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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