The vulnerability of the Hyper-V hardware virtualization system for Windows operating systems allows attackers to circumvent existing security restrictions.

The vulnerability of the Hyper-V hardware virtualization technology for Windows operating systems is related to deficiencies in access control. Exploiting this vulnerability can allow attackers to circumvent existing security restrictions...

UBUNTU-CVE-2026-23166

In the Linux kernel, the following vulnerability has been resolved: ice: Fix NULL pointer dereference in icevsisetnapiqueues Add NULL pointer checks in icevsisetnapiqueues to prevent crashes during resume from suspend when ringsqidx-qvector is NULL. Tested adaptor: 60:00.0 Ethernet controller 020...

Ubuntu 25.10 : Linux kernel (GCP) vulnerabilities (USN-8030-1)

The remote Ubuntu 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8030-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the...

The vulnerability of the Hyper-V component of the Windows operating system, allowing a hacker to execute arbitrary code

The vulnerability of the Hyper-V component of the Windows operating system is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

The vulnerability of the Hyper-V component of the Windows operating system, allowing a hacker to execute arbitrary code

The vulnerability of the Hyper-V component of the Windows operating system is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

USN-8033-3 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8031-1: Linux kernel (GCP) vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8030-1 linux-gcp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8029-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

CVE-2026-21244

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21248

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21255

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally...

CVE-2026-21247

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21255

Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally...

CVE-2026-21248

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21247

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21248

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21244

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...

CVE-2026-21244

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally...