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CVE-2020-27066

Date: December 15, 2020

In xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168043318

Severity Score

Related Resources (5)

https://security-tracker.debian.org/tracker/CVE-2020-27066
https://nvd.nist.gov/vuln/detail/CVE-2020-27066
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-27066
https://source.android.com/security/bulletin/pixel/2020-12-01
https://www.mend.io/vulnerability-database/CVE-2020-27066

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Improper Locking

CWE-667

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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