Vulnerability identifier: #VU84025
Vulnerability risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-16
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
3rd Gen AMD EPYC Processors
Hardware solutions /
Firmware
4th Gen AMD EPYC Processors
Hardware solutions /
Firmware
Vendor:
Description
The issue may allow a local user to bypass implemented security restrictions.
The issue exists due to immutable SMM configuration when SNP is enabled. A local user can modify guest memory.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://www.amd.com/en/resources/product-security/bulletin/amd-sb-3002.html
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.