CVE-2023-31347

EUVD-2023-35658
Due to a code bug in
Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a
guest to observe an incorrect TSC when Secure TSC is enabled potentially
resulting in a loss of guest integrity.  
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CISA-ADPADP
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
amdepyc_7713p_firmware
-
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux-firmware
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
mantic
ignored
noble
needs-triage
oracular
needs-triage
trusty
ignored
xenial
needs-triage
Common Weakness Enumeration
References
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007