CVE-2021-26408

3 documents3 sources
Severity
7.1HIGH
EPSS
0.1%
top 67.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
40
AMD 1ST GEN AMD Epyc™AMD 2ND GEN AMD Epyc™AMD Epyc 7001 Firmware+37 more
Timeline
PublishedMay 10
Latest updateMay 11

Description

Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 1.8 | Impact: 5.2

Affected Packages40 packages

▶NVDamd/epyc_7001_firmware< naplespi-sp3_1.0.0.g
▶NVDamd/epyc_7002_firmware< romepi-sp3_1.0.0.c
▶NVDamd/epyc_7251_firmware< naplespi-sp3_1.0.0.g
▶NVDamd/epyc_7252_firmware< romepi-sp3_1.0.0.c
▶NVDamd/epyc_7262_firmware< romepi-sp3_1.0.0.c

🔴Vulnerability Details

2
GHSA
GHSA-q49c-2cmm-mw74: Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of gue↗2022-05-11
▶
CVEList
CVE-2021-26408: Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of gue↗2022-05-10
▶