CVE-2019-9836 — Secure Encrypted Virtualization (SEV) on Advanced Micro Devices (AMD) Platform S

Secure Encrypted Virtualization (SEV) on Advanced Micro Devices (AMD) Platform Security Processor (PSP; aka AMD Secure Processor or AMD-SP) 0.17 build 11 and earlier has an insecure cryptographic implementation.

01What is this vulnerability?

Secure Encrypted Virtualization (SEV) on Advanced Micro Devices (AMD) Platform Security Processor (PSP; aka AMD Secure Processor or AMD-SP) 0.17 build 11 and earlier has an insecure cryptographic implementation.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-06-25T20:17:47.000Z
• Last modified: 2024-08-04T22:01:54.992Z

09References

• seclists.org — https://seclists.org/fulldisclosure/2019/Jun/46
• www.amd.com — https://www.amd.com/en/corporate/product-security
• packetstormsecurity.com — http://packetstormsecurity.com/files/153436/AMD-Secure-Encrypted-Virtualization-…
• support.hpe.com — https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00032.html