CVE-2021-26351 — Improper Input Validation in AMD Athlon Series

CWE-20 — Improper Input ValidationCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer3 documents3 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 68.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
AMD Athlon SeriesAMD Ryzen Series
Timeline
PublishedMay 12
Latest updateMay 13

Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in 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 Packages2 packages

▶CVEListV5amd/ryzen_seriesvarious
▶CVEListV5amd/athlon_seriesvarious

🔴Vulnerability Details

2
GHSA
GHSA-5pj8-h4rh-gp3h: Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM addres↗2022-05-13
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CVEList
CVE-2021-26351: Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM addres↗2022-05-12
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CVE-2021-26351 — Improper Input Validation in AMD | cvebase