CVE-2023-20938 — HIGH (7.8)

Vulnerability Description

In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. 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-257685302References: Upstream kernel

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	-

Related Weaknesses (CWE)

CWE-416

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-2023-20938?

CVE-2023-20938 is a vulnerability with a CVSS score of 7.8 (HIGH). In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution pri...

How severe is CVE-2023-20938?

CVE-2023-20938 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-2023-20938?

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