Vulnerability · Published Aug 5, 2024 · Assigned by AMD

CVE-2024-21980

High 7.9

In plain English

A high-severity memory corruption in 3rd Gen AMD EPYC™ Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.9High
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Affected products (as reported)

VendorProductVersions
AMD 3rd Gen AMD EPYC™ Processors various – before MilanPI 1.0.0.D
AMD 4th Gen AMD EPYC™ Processors various – before GenoaPI 1.0.0.C
AMD AMD EPYC™ Embedded 7003 various – before EmbMilanPI-SP3 1.0.0.9
AMD AMD EPYC™ Embedded 9003 various – before EmbGenoaPI-SP5 1.0.0.7

Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

References