CVE-2021-26355

CWE-693CWE-400 — Uncontrolled Resource Consumption3 documents3 sources
Severity
5.5MEDIUM
EPSS
0.1%
top 83.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
25
AMD Epyc 7003 FirmwareAMD Epyc 72f3 FirmwareAMD Epyc 7313 Firmware+22 more
Timeline
PublishedJan 11

Description

Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.

CVSS vector

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

Affected Packages25 packages

▶NVDamd/epyc_7003_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_72f3_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_7313_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_7343_firmware< milanpi-sp3_1.0.0.7
▶NVDamd/epyc_73f3_firmware< milanpi-sp3_1.0.0.7

🔴Vulnerability Details

2
GHSA
GHSA-p4w7-qphw-gm3c: Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potentia↗2023-01-11
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CVEList
CVE-2021-26355: Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potentia↗2023-01-10
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CVE-2021-26355 (MEDIUM CVSS 5.5) | Insufficient fencing and checks in | cvebase.io