CVE-2023-20664 : In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with Sy

In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.

Published 2023-04-06 18:15:09

Updated 2023-04-13 17:29:52

Source MediaTek, Inc.

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2023-20664

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-20664

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-20664

CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-20664

https://corp.mediatek.com/product-security-bulletin/April-2023

April 2023
Vendor Advisory

CVEs referencing this url

Products affected by CVE-2023-20664

Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6580 » Version: N/A
When used together with: Mediatek » Mt6735 » Version: N/A
When used together with: Mediatek » Mt6737 » Version: N/A
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6753 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8188 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8673 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8696 » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8795t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
When used together with: Mediatek » Mt8871 » Version: N/A
When used together with: Mediatek » Mt8891 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6580 » Version: N/A
When used together with: Mediatek » Mt6735 » Version: N/A
When used together with: Mediatek » Mt6737 » Version: N/A
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6753 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8188 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8673 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8696 » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8795t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
When used together with: Mediatek » Mt8871 » Version: N/A
When used together with: Mediatek » Mt8891 » Version: N/A
Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6580 » Version: N/A
When used together with: Mediatek » Mt6735 » Version: N/A
When used together with: Mediatek » Mt6737 » Version: N/A
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6753 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8188 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8673 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8696 » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8795t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
When used together with: Mediatek » Mt8871 » Version: N/A
When used together with: Mediatek » Mt8891 » Version: N/A
Google » Android » Version: 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6580 » Version: N/A
When used together with: Mediatek » Mt6735 » Version: N/A
When used together with: Mediatek » Mt6737 » Version: N/A
When used together with: Mediatek » Mt6739 » Version: N/A
When used together with: Mediatek » Mt6753 » Version: N/A
When used together with: Mediatek » Mt6761 » Version: N/A
When used together with: Mediatek » Mt6765 » Version: N/A
When used together with: Mediatek » Mt6768 » Version: N/A
When used together with: Mediatek » Mt6771 » Version: N/A
When used together with: Mediatek » Mt6779 » Version: N/A
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6785 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6853 » Version: N/A
When used together with: Mediatek » Mt6853t » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8188 » Version: N/A
When used together with: Mediatek » Mt8321 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8666 » Version: N/A
When used together with: Mediatek » Mt8673 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8696 » Version: N/A
When used together with: Mediatek » Mt8765 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8795t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
When used together with: Mediatek » Mt8871 » Version: N/A
When used together with: Mediatek » Mt8891 » Version: N/A

Vulnerability Details : CVE-2023-20664

Exploit prediction scoring system (EPSS) score for CVE-2023-20664

CVSS scores for CVE-2023-20664

CWE ids for CVE-2023-20664

References for CVE-2023-20664

Products affected by CVE-2023-20664