SB2025071509 - Multiple vulnerabilities in Certain HPE Cray Servers Using Certain AMD EPYC Processors

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2024-56161)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper verification of cryptographic signature in AMD CPU ROM microcode patch loader. A local privileged user can load a malicious CPU microcode and escalate privileges on the system.

2) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2024-36347)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper signature verification of x86 instruction execution. A local privileged user can load malicious microcode and execute it on the system.

Remediation

Install update from vendor's website.

References

• https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbcr04825en_us