CVE-2021-46794

CWE-125 — Out-of-bounds Read3 documents3 sources

Severity

7.5HIGH

EPSS

0.2%

top 56.75%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

AMD 3RD GEN AMD Ryzen™ Threadripper™ Processors “castle Peak” Hedt AMD AMD Ryzen™ 5000 Series Desktop Processors “vermeer” AM4 AMD Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics “dali”/”dali” ULP +66 more

Timeline

PublishedMay 9

Description

Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages69 packages

▶CVEListV5amd/ryzen™_threadripper™_pro_processors_“chagall”_wsvarious

▶CVEListV5amd/ryzen™_threadripper™_pro_processors_“castle_peak”_wsvarious

▶CVEListV5amd/3rd_gen_amd_ryzen™_threadripper™_processors_“castle_peak”_hedtvarious

▶CVEListV5amd/ryzen™_3000_series_desktop_processors_“matisse”_am4various

▶CVEListV5amd/ryzen™_2000_series_mobile_processors_“raven_ridge”_fp5various

🔴Vulnerability Details

CVEList

CVE-2021-46794: Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum c↗2023-05-09

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GHSA

GHSA-42wv-vvv3-qm3v: Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum c↗2023-05-09

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