HIGH🇬🇧 English

CVE-2022-40261

CVSS 8.2v3.1pub. 2022-09-20upd. 2025-05-28

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system (OS) and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI flash protections against modifications, which can help an attacker to install a firmware backdoor/implant into BIOS. Such a malicious firmware code in BIOS could persist across operating system re-installs. Additionally, this vulnerability potentially could be used by malicious actors to bypass security mechanisms provided by UEFI firmware (for example, Secure Boot and some types of memory isolation for hypervisors). This issue affects: Module name: OverClockSmiHandler SHA256: a204699576e1a48ce915d9d9423380c8e4c197003baf9d17e6504f0265f3039c Module GUID: 4698C2BD-A903-410E-AD1F-5EEF3A1AE422

oryginał EN
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

  • Ami Aptio V

    OS
    Ami
    5.0

  • Intel Nuc M15 Laptop Kit Lapbc510

    HW
    Intel
    wszystkie wersje

  • Intel Nuc M15 Laptop Kit Lapbc510 Firmware

    OS
    Intel
    wszystkie wersje

  • Intel Nuc M15 Laptop Kit Lapbc710

    HW
    Intel
    wszystkie wersje

  • Intel Nuc M15 Laptop Kit Lapbc710 Firmware

    OS
    Intel
    wszystkie wersje
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Tagi
RCE
CWE
Referencje

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