Ubuntu 22.10 : Linux kernel (KVM) vulnerabilities (USN-5950-1)

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5950-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu: Security Advisory (USN-5950-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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 22.04 LTS : Linux kernel (KVM) vulnerabilities (USN-5941-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5941-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

USN-5941-1: Linux kernel (KVM) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

Ubuntu 22.04 LTS : Linux kernel (GKE) vulnerabilities (USN-5938-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5938-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

USN-5938-1: Linux kernel (GKE) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5935-1: Linux kernel vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5929-1: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5912-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5912-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state i...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-5911-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5911-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu: Security Advisory (USN-5912-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

K80557033: Linux kernel vulnerability CVE-2018-16882

Security Advisory Description A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested=1 virtualization is enabled. In nestedgetvmcs12pages, in case of an error while processing posted interrupt address, it unmaps the 'pidescpage' witho...

K11546763: Linux kernel vulnerability CVE-2021-3653

Security Advisory Description A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "intctl" field, this...

K80212034: Linux kernel vulnerability CVE-2021-3656

Security Advisory Description A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this...

Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2023-048-01)

The version of kernel-generic installed on the remote host is prior to 5.15.94 / 5.15.94smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2023-048-01 advisory. - A flaw was found in the KVM's AMD nested virtualization SVM. A malicious L1 guest could purposely fa...

SUSE CVE-2013-0151

The dohvmop function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x8632 platform does not prevent HVMPARAMNESTEDHVM aka nested virtualization operations, which allows guest OS users to cause a denial of service long-duration page mappings and host OS crash by leveraging administrative access to ...

SUSE CVE-2013-0152

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

SUSE CVE-2013-4551

Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for 1 VMLAUNCH and 2 VMRESUME, which allows local HVM guest users to cause a denial of service host crash via unspecified vectors related to "guest VMX instruction execution."...

SUSE CVE-2016-1571

The paginginvlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service host crash via a non-canonical guest address in an INVVPID instruction, which triggers a...

SUSE CVE-2017-12188

arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service incorrect index...