CVE-2021-26381

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption...

CVE-2021-26381

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption...

CVE-2021-26381

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption...

CVE-2021-26381

CVE-2021-26381 concerns improper system call parameter validation in the Trusted OS (TOS) that could let a malicious driver map/unmap a large number of pages, potentially causing kernel memory corruption. The connected sources describe this as a local, high-privilege issue with impact to memory c...

CVE-2021-26381

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption...

PT-2026-7458

Name of the Vulnerable Software and Affected Versions Trusted OS affected versions not specified Description A flaw exists in the Trusted OS related to improper validation of system call parameters. This could allow a malicious driver to perform numerous mapping or unmapping operations on system...

CVE-2025-34235 Vasion Print (formerly PrinterLogic) Weak SSL/TLS Certificate Validation RCE

Vasion Print formerly PrinterLogic Virtual Appliance Host prior to version 25.1.102 and Application prior to version 25.1.1413 Windows client deployments contain a registry key that can be enabled by administrators, causing the client to skip SSL/TLS certificate validation. An attacker who can...

Medusa Ransomware Uses Malicious Driver to Disable Anti-Malware with Stolen Certificates

The threat actors behind the Medusa ransomware-as-a-service RaaS operation have been observed using a malicious driver dubbed ABYSSWORKER as part of a bring your own vulnerable driver BYOVD attack designed to disable anti-malware tools. Elastic Security Labs said it observed a Medusa ransomware...

Linux Distros Unpatched Vulnerability : CVE-2021-28711

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which...

CVE-2024-42291 ice: Add a per-VF limit on number of FDIR filters

In the Linux kernel, the following vulnerability has been resolved: ice: Add a per-VF limit on number of FDIR filters While the iavf driver adds a s/w limit 128 on the number of FDIR filters that the VF can request, a malicious VF driver can request more than that and exhaust the resources for...

Undocumented driver-based browser hijacker RedDriver targets Chinese speakers and internet cafes

Cisco Talos has identified multiple versions of an undocumented malicious driver named "RedDriver," a driver-based browser hijacker that uses the Windows Filtering Platform WFP to intercept browser traffic. RedDriver has been active since at least 2021. RedDriver utilizes HookSignTool to forge it...

APT trends report Q2 2022

For five years, the Global Research and Analysis Team GReAT at Kaspersky has been publishing quarterly summaries of advanced persistent threat APT activity. These summaries are based on our threat intelligence research; and they provide a representative snapshot of what we have published and...

Improve kernel security with the new Microsoft Vulnerable and Malicious Driver Reporting Center

Windows 10 and Windows 11 have continued to raise the security bar for drivers running in the kernel. Kernel-mode driver publishers must pass the Hardware Lab Kit HLK compatibility tests, malware scanning, and prove their identity through extended validation EV certificates. This has significantl...

Microsoft Signed Malware That Spreads Through Gaming

Microsoft signed a driver being distributed within gaming environments that turned out to be a malicious network filter rootkit. G DATA malware analyst Karsten Hahn first noticed the rootkit, publicly posting the find on June 17 and simultaneously reaching out to Microsoft. Hahn noted that the co...

CVE-2019-19523

In the Linux kernel before 5.3.7, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/adutux.c driver, aka CID-44efc269db79...

Virus Watch: The Chinese Bootkit

We recently discovered a new bootkit, i.e. a malicious program which infects the hard drive’s boot sector. Kaspersky Lab detects it as Rookit.Win32.Fisp.a. The bootkit is distributed by Trojan-Downloader.NSIS.Agent.jd. The Trojan infects the computers of users who try to download a video clip fro...