CVE-2021-46755

3 documents3 sources
Severity
7.5HIGH
EPSS
0.2%
top 56.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
32
AMD 3RD GEN AMD Ryzen™ Threadripper™ Processors “castle Peak” HedtAMD AMD Ryzen™ 5000 Series Desktop Processors “vermeer” AM4AMD Ryzen™ 3000 Series Desktop Processors “matisse” AM4+29 more
Timeline
PublishedMay 9

Description

Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources 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 Packages32 packages

🔴Vulnerability Details

2
CVEList
CVE-2021-46755: Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader↗2023-05-09
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GHSA
GHSA-xpf2-4v7h-fpcm: Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader↗2023-05-09
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