CVE-2021-26379

3 documents3 sources
Severity
9.8CRITICAL
EPSS
0.2%
top 55.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
50
AMD Epyc 7232p FirmwareAMD Epyc 7252 FirmwareAMD Epyc 7262 Firmware+47 more
Timeline
PublishedMay 9

Description

Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages50 packages

▶NVDamd/epyc_7252_firmware< romepi_1.0.0.e
▶NVDamd/epyc_7262_firmware< romepi_1.0.0.e
▶NVDamd/epyc_7272_firmware< romepi_1.0.0.e
▶NVDamd/epyc_7282_firmware< romepi_1.0.0.e
▶NVDamd/epyc_72f3_firmware< milanpi_1.0.0.9

🔴Vulnerability Details

2
CVEList
CVE-2021-26379: Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of in↗2023-05-09
▶
GHSA
GHSA-fqxf-xxpp-6pq8: Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of in↗2023-05-09
▶
CVE-2021-26379 (CRITICAL CVSS 9.8) | Insufficient input validation of ma | cvebase.io