CVE-2021-26337 — AMD Epyc 7002 Firmware vulnerability

3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 67.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
47
AMD Epyc 7002 FirmwareAMD Epyc 7003 FirmwareAMD Epyc 7232p Firmware+44 more
Timeline
PublishedNov 16
Latest updateMay 24

Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.

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 Packages47 packages

▶NVDamd/epyc_7002_firmware< romepi-sp3_1.0.0.c
▶NVDamd/epyc_7003_firmware< milanpi-sp3_1.0.0.4
▶NVDamd/epyc_7252_firmware< romepi-sp3_1.0.0.c
▶NVDamd/epyc_7262_firmware< romepi-sp3_1.0.0.c
▶NVDamd/epyc_7272_firmware< romepi-sp3_1.0.0.c

🔴Vulnerability Details

2
GHSA
GHSA-x8m5-26rq-667q: Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not s↗2022-05-24
▶
CVEList
CVE-2021-26337: Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not s↗2021-11-16
▶
CVE-2021-26337 — AMD Epyc 7002 Firmware vulnerability | cvebase