CVE-2021-41842

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Jan 6, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-418436.5An authenticated SQL injection issue in the calendar search function of OpenEMR 6.0.0 before patch 3 allows an attacker to read data from alCVE-2021-418449.8Crocoblock JetEngine before 2.9.1 does not properly validate and sanitize form data.CVE-2021-418456.5A SQL injection issue was discovered in ThycoticCentrify Secret Server before 11.0.000007. The only affected versions are 10.9.000032 througCVE-2021-418478.8An issue was discovered in 3xLogic Infinias Access Control through 6.7.10708.0, affecting physical security. Users with login credentials asCVE-2021-418487.8An issue was discovered in Luna Simo PPR1.180610.011/202001031830. It mishandles software updates such that local third-party apps can proviCVE-2021-418495.5An issue was discovered in Luna Simo PPR1.180610.011/202001031830. It sends the following Personally Identifiable Information (PII) in plainCVE-2021-41857.5Infinite loop in the RTMPT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted captureCVE-2021-418507.8An issue was discovered in Luna Simo PPR1.180610.011/202001031830. A pre-installed app with a package name of com.skyroam.silverhelper writeCVE-2021-41867.5Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture fileCVE-2021-418613.3The Telegram application 7.5.0 through 7.8.0 for Android does not properly implement image self-destruction, a different vulnerability than CVE-2021-418629.8AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).CVE-2021-418647.8prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multipl