CVE-2023-20939 — HIGH (7.8)

Vulnerability Description

In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-243362981

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	12.0

Related Weaknesses (CWE)

CWE-667

References

https://source.android.com/security/bulletin/2023-02-01PatchVendor Advisory
https://source.android.com/security/bulletin/2023-02-01PatchVendor Advisory

FAQ

What is CVE-2023-20939?

CVE-2023-20939 is a vulnerability with a CVSS score of 7.8 (HIGH). In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution ...

How severe is CVE-2023-20939?

CVE-2023-20939 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20939?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.