Medium severity · published Aug 13, 2024
CVE-2023-20584
IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to…
6.0
CVSS
0.2%
EPSS
No
On KEV
Description
IOMMU improperly handles certain special address
ranges with invalid device table entries (DTEs), which may allow an attacker
with privileges and a compromised Hypervisor to
induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a
loss of guest integrity.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% 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
E7
Epyc 7203 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7203p Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 72f3 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7303 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7303p Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7313 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7313p Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7343 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 7373x Firmware · Amd
before milanpi_1.0.0.b · source: NVD
E7
Epyc 73f3 Firmware · Amd
before milanpi_1.0.0.b · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20584
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20584
Vendor Advisory
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
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