Vulnerability identifier: #VU79263
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
3rd Gen AMD EPYC Processors
Hardware solutions /
Firmware
4th Gen AMD EPYC Processors
Hardware solutions /
Firmware
Vendor: AMD
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a side channel issue in AMD CPUs. A remote user can influence the return address prediction and gain unauthorized access to sensitive information on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
3rd Gen AMD EPYC Processors: All versions
4th Gen AMD EPYC Processors: All versions
External links
http://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005
http://xenbits.xen.org/xsa/advisory-434.html
http://www.amd.com/en/resources/product-security/bulletin/amd-sb-7031.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.