Medium severity · published Aug 13, 2024
CVE-2023-31356
Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
Incomplete system memory cleanup in SEV firmware could
allow a privileged attacker to corrupt guest private memory, potentially
resulting in a loss of data integrity.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
AMD EPYC™ 7003 Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9004 Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 7003 · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 9004 · AMD
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31356
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
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