CVE-2021-26326 — Improper Initialization in AMD 3RD GEN AMD Epyc

CWE-665 — Improper Initialization3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 67.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
21
AMD 3RD GEN AMD EpycAMD Epyc 7232p FirmwareAMD Epyc 72f3 Firmware+18 more
Timeline
PublishedNov 16
Latest updateMay 24

Description

Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages21 packages

▶CVEListV5amd/3rd_gen_amd_epycunspecified — 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-8rhv-4wrp-384c: Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity↗2022-05-24
▶
CVEList
CVE-2021-26326: Failure to validate VM_HSAVE_PA during SNP_INIT may result in a loss of memory integrity↗2021-11-16
▶
CVE-2021-26326 — Improper Initialization in AMD | cvebase