CVE-2021-26362 — AMD Athlon Series vulnerability

3 documents3 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 86.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
AMD Athlon SeriesAMD Ryzen Series
Timeline
PublishedMay 12
Latest updateMay 13

Description

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages2 packages

▶CVEListV5amd/ryzen_seriesvarious
▶CVEListV5amd/athlon_seriesvarious

🔴Vulnerability Details

2
GHSA
GHSA-frvj-25f8-q983: A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Managemen↗2022-05-13
▶
CVEList
CVE-2021-26362: A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Managemen↗2022-05-12
▶
CVE-2021-26362 — AMD Athlon Series vulnerability | cvebase