Vulnerability identifier: #VU57349
Vulnerability risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
AMD CPU Firmware
Hardware solutions /
Firmware
Vendor: AMD
Description
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to CPUs transiently execute non-canonical loads using only the lower 48 address bits. A local attacker can gain unauthorized access to sensitive information on the system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
AMD CPU Firmware: All versions
External links
http://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1010
http://www.amd.com/system/files/documents/security-whitepaper.pdf
http://developer.amd.com/wp-content/resources/90343-D_SoftwareTechniquesforManagingSpeculation_WP_9-20Update_R2.pdf
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.