Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001338)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001338 advisory. arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002700)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002700 advisory. arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service...

SUSE CVE-2017-2584

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt...

SUSE CVE-2018-10853

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate...

kernel: kvm: guest userspace to guest kernel write

A flaw was found in the way Linux kernel KVM hypervisor emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside...

kernel: kvm: guest userspace to guest kernel write

A flaw was found in the way Linux kernel KVM hypervisor emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside...

kernel: kvm: guest userspace to guest kernel write

A flaw was found in the way Linux kernel KVM hypervisor emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside...

Information Disclosure

Linux kernel is vulnerable to information disclosure. This occurs in arch/x86/kvm/emulate.c in the Linux kernel. Local users could obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor...

UBUNTU-CVE-2018-10853

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate...

Kernel: kvm: use after free in complete_emulated_mmio

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt...

CVE-2017-2584

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt...

CVE-2017-2584

CVE-2017-2584 affects arch/x86/kvm/emulate.c in the Linux kernel up to version 4.9.3, enabling local users to read kernel memory or cause a use-after-free DoS via a crafted instruction-emulation application targeting fxrstor, fxsave, sgdt, and sidt. Remediation is not specified in the provided do...

UBUNTU-CVE-2017-2584

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt...

CVE-2017-2584

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service use-after-free via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt...

kernel: x86: exceptions are not cleared in AMD FXSAVE workaround

The restorefpuchecking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service task kill or possibly gain...

DEBIAN-CVE-2013-2076

Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged t...

CVE-2013-2076

Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged t...

CVE-2013-2076

Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged t...

Information leak on XSAVE/XRSTOR capable AMD CPUs

ISSUE DESCRIPTION On AMD processors supporting XSAVE/XRSTOR family 15h and up, when an exception is pending, these instructions save/restore only the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR. This allows one domain to determine portions of the state of floating point instructions of othe...

VMSA-2006-0009 - VMware ESX Server 3.0.0 AMD fxsave/restore issue

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - - ------------------------------------------------------------------- VMware Security Advisory Advisory ID: VMSA-2006-0009 Synopsis: VMware ESX Server 3.0.0 AMD fxsave/restore issue Knowledge base URL:http://kb.vmware.com/kb/2533126 Issue date:...