High severity · published Aug 5, 2024
CVE-2024-21980
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…
7.9
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
3G
3rd Gen AMD EPYC™ Processors · AMD
various before MilanPI 1.0.0.D · source: vendor
4G
4th Gen AMD EPYC™ Processors · AMD
various before GenoaPI 1.0.0.C · source: vendor
AE
AMD EPYC™ Embedded 7003 · AMD
various before EmbMilanPI-SP3 1.0.0.9 · source: vendor
AE
AMD EPYC™ Embedded 9003 · AMD
various before EmbGenoaPI-SP5 1.0.0.7 · source: vendor
E7
Epyc 7203 Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7203p Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 72f3 Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7303 Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7303p Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7313 Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7313p Firmware · Amd
before milanpi_1.0.0.d · source: NVD
E7
Epyc 7343 Firmware · Amd
before milanpi_1.0.0.d · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-21980
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-21980
Broken Link
https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html
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