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CVE-2023-20937

Date: February 28, 2023

In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free. 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-257443051References: Upstream kernel

Language: C++

Severity Score

Related Resources (6)

https://source.android.com/docs/security/bulletin/2023-02-01
https://android.googlesource.com/kernel/common/+/50d2b75b860a6495aac6127a27f75b309e91b689
https://source.android.com/security/bulletin/2023-02-01
https://nvd.nist.gov/vuln/detail/CVE-2023-20937
http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html
https://www.mend.io/vulnerability-database/CVE-2023-20937

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): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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