CVE-2021-46774

3 documents3 sources
Severity
7.5HIGH
EPSS
0.0%
top 90.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
132
AMD Epyc 7001 FirmwareAMD Epyc 7203 FirmwareAMD Epyc 7203p Firmware+129 more
Timeline
PublishedNov 14

Description

Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:LExploitability: 0.8 | Impact: 5.3

Affected Packages132 packages

▶NVDamd/ryzen_threadripper_3960x_firmware< castlepeakpi-sp3r3_1.0.0.7
▶NVDamd/ryzen_threadripper_3970x_firmware< castlepeakpi-sp3r3_1.0.0.7
▶NVDamd/ryzen_threadripper_3990x_firmware< castlepeakpi-sp3r3_1.0.0.7
▶NVDamd/ryzen_threadripper_pro_3795wx_firmware< chagallwspi-swrx8_1.0.0.0

🔴Vulnerability Details

2
CVEList
CVE-2021-46774: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially↗2023-11-14
▶
GHSA
GHSA-8wpw-g939-rjw4: Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially↗2023-11-14
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CVE-2021-46774 (HIGH CVSS 7.5) | Insufficient DRAM address validatio | cvebase.io