CVE-2023-21102
kernel: bypass of shadow stack protection due to a logic error
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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
A vulnerability was found in the __efi_rt_asm_wrapper of the efi-rt-wrapper.S in the Linux kernel, where there is a possible bypass of shadow stack protection due to a logic error in the code. This flaw could lead to local escalation of privilege without additional execution privileges needed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-11-03 CVE Reserved
- 2023-05-15 CVE Published
- 2023-05-24 EPSS Updated
- 2024-08-02 CVE Updated
- 2024-08-02 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-413: Improper Resource Locking
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://source.android.com/security/bulletin/2023-05-01 | 2024-08-02 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-21102 | 2023-09-12 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2213455 | 2023-09-12 |