Vulnerability identifier: #VU97953
Vulnerability risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
2nd Gen AMD EPYC Processors
Hardware solutions /
Firmware
3rd Gen AMD EPYC Processors
Hardware solutions /
Firmware
Vendor:
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in the ABL. A local privileged user with access to the BIOS menu or UEFI shell can tamper with the structure headers in SPI ROM and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.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.