Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001019)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001019 advisory. arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial o...

Xen Hypervisor I/O Intercept Code Hypervisor Stack Guest-to-Host Information Disclosure (XSA-239)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an unspecified flaw in the hvmemuldoio function in arch/x86/hvm/emulate.c that is triggered as an internal structure may contain data from an uninitialized hypervisor stack slot. This may...

CVE-2017-2583: Undefined Security Weakness

The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...

CVE-2017-2584: Exposure of Sensitive Information to an Unauthorized Actor

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-2016-9756: Exposure of Sensitive Information to an Unauthorized Actor

arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment CS in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application...

CVE-2014-8480: Undefined Security Weakness

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 lacks intended decoder-table flags for certain RIP-relative instructions, which allows guest OS users to cause a denial of service NULL pointer dereference and host OS crash via a crafted...

CVE-2014-8481: Undefined Security Weakness

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service NULL pointer dereference and host OS crash via a crafted application that triggers 1 a...

CVE-2014-3647: Undefined Security Weakness

arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service guest OS crash via a crafted application...