CVE-2021-26327 — Improper Input Validation in AMD Epyc 7003 Firmware

CWE-20 — Improper Input ValidationCWE-668 — Resource Exposure3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 67.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
21
AMD 3RD GEN AMD EpycAMD Epyc 7003 FirmwareAMD Epyc 72f3 Firmware+18 more
Timeline
PublishedNov 16
Latest updateNov 17

Description

Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages21 packages

▶NVDamd/epyc_7003_firmware< milanpi-sp3_1.0.0.4
▶NVDamd/epyc_72f3_firmware< milanpi-sp3_1.0.0.4
▶NVDamd/epyc_7313_firmware< milanpi-sp3_1.0.0.4
▶NVDamd/epyc_7343_firmware< milanpi-sp3_1.0.0.4
▶NVDamd/epyc_73f3_firmware< milanpi-sp3_1.0.0.4

🔴Vulnerability Details

2
GHSA
GHSA-qg7x-g66q-6pmh: Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality↗2021-11-17
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CVEList
CVE-2021-26327: Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality↗2021-11-16
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CVE-2021-26327 — Improper Input Validation in AMD | cvebase