CVE-2022-27672

MEDIUM

AMD Athlon X4 and Ryzen Threadripper Firmware - Information Disclosure via Speculative Execution

Title source: llm
STIX 2.1

Description

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

References (3)

Core 3

Scores

CVSS v3 4.7
EPSS 0.0023
EPSS Percentile 45.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (50)
AMD/1st Gen AMD EPYC™ Processors Contact your OS vendor
AMD/2nd Gen AMD EPYC™ Processors Contact your OS vendor
AMD/2nd Gen AMD Ryzen™ Threadripper™ Processors Contact your OS vendor
AMD/3rd Gen AMD Ryzen™ Threadripper™ Processors Contact your OS vendor
AMD/7th Generation AMD A-Series APUs Contact your OS vendor
amd/a10-9600p_firmware
amd/a10-9630p_firmware
amd/a12-9700p_firmware
amd/a12-9730p_firmware
amd/a4-9120_firmware
... and 40 more
Published Mar 01, 2023
Tracked Since Feb 18, 2026