CVE-2021-3970

Signals

NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07

CVE Database · CVE-2021-3970

CVE-2021-3970

· MEDIUMModified

CVSS v3.1

6.7

EPSS

1.31%

Published

Apr 22, 2022

Modified

Nov 21, 2024

Public PoC / Exploit (1)

All weaponized →

TrickestTrickest PoC index

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

A potential vulnerability in LenovoVariable SMI Handler due to insufficient validation in some Lenovo Notebook models BIOS may allow an attacker with local access and elevated privileges to execute arbitrary code.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-20CWE-20

Affected Products (210)

lenovo · ideapad_3-14ada05_firmware (up to e8cn33ww)vulnerable

lenovo · ideapad_3-14ada05

lenovo · ideapad_3-14ada6_firmware (up to hbcn21ww)vulnerable

lenovo · ideapad_3-14ada6

lenovo · ideapad_3-14alc6_firmware (up to glcn43ww)vulnerable

lenovo · ideapad_3-14alc6

lenovo · ideapad_3-14are05_firmware (up to dzcn42ww)vulnerable

lenovo · ideapad_3-14are05

lenovo · ideapad_3-15ada6_firmware (up to hbcn21ww)vulnerable

lenovo · ideapad_3-15ada6

References (2)

https://support.lenovo.com/us/en/product_security/LEN-73440

Vendor Advisory

https://support.lenovo.com/us/en/product_security/LEN-73440

Vendor Advisory

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