CVE-2023-21102 — HIGH (7.8)

Vulnerability Description

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. 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-260821414References: 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-754

References

https://source.android.com/security/bulletin/2023-05-01ExploitVendor Advisory
https://source.android.com/security/bulletin/2023-05-01ExploitVendor Advisory

FAQ

What is CVE-2023-21102?

CVE-2023-21102 is a vulnerability with a CVSS score of 7.8 (HIGH). In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privilege with no additional...

How severe is CVE-2023-21102?

CVE-2023-21102 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-2023-21102?

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