CVE-2023-20584
Public on 2024-08-13
Modified on 2024-08-29
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.
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.
Severity
CVSS v3 Base Score
See breakdown
Affected Packages
Platform | Package | Release Date | Advisory | Status |
---|---|---|---|---|
Amazon Linux 2 - Core | linux-firmware | Not Affected | ||
Amazon Linux 2023 | linux-firmware | Not Affected |
CVSS Scores
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N |
NVD | CVSSv3 | 5.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N |