Input validation error in Insyde Kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-27373 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Insyde Kernel Operating systems & Components / Operating system |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU80876
Risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-27373
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A local user can tamper with a runtime-accessible EFI variable and cause a dynamic BAR setting to overlap SMRAM.
MitigationInstall updates from vendor's website.
Vulnerable software versionsInsyde Kernel: before 5.4 05.45.02.0028
External linkshttp://www.insyde.com/security-pledge/SA-2023035
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
