CVE-2026-43331

A flaw was found in the Linux kernel. When Kernel Coverage KCOV instrumentation is enabled, a local user performing a kexec operation can trigger an invalid state within the x86/kexec component. This invalid state, related to the GS base that KCOV relies on for per-CPU data, causes the kernel to...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure of KCOV detection after the x86 kexec operation, resulting in an invalid GS base...

USN-3405-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3405-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.0...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3405-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3405-1 advisory. It was discovered that a use-after-free vulnerability existed in the POSIX message queue implementation in the Linux kernel. A local attacker could use...

Ubuntu: Security Advisory (USN-3405-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3405-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3405-2 advisory. USN-3405-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

USN-3405-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the POSIX message queue implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-11176 Huang Weller discovered that the ext4 filesyste...