CVE-2022-40262

HIGH

AMI Aptio V - Out-of-bounds Write in S3Resume2Pei Module

Title source: llm
STIX 2.1

Description

A potential attacker can execute an arbitrary code at the time of the PEI phase and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: S3Resume2Pei SHA256: 7bb29f05534a8a1e010443213451425098faebd45948a4642db969b19d0253fc Module GUID: 89E549B0-7CFE-449D-9BA3-10D8B2312D71

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.ami.com/security-center/
Exploit, Third Party Advisory x_refsource_misc
https://www.binarly.io/advisories/BRLY-2022-009

Scores

CVSS v3 8.2
EPSS 0.0006
EPSS Percentile 18.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-787 CWE-123
Status published
Products (2)
ami/aptio_v 5.0
intel/server_board_m10jnp2sb_firmware
Published Sep 20, 2022
Tracked Since Feb 18, 2026