Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000638)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000638 advisory. The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002618)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002618 advisory. The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002720)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002720 advisory. The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the kvmarchvcpuioctl vcpuload leak...

PT-2021-29709

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 4.18 through 5.10.53 Description A potential security issue exists due to a leak in the kvm arch vcpu ioctl function when handling vcpu load. The actual impact and attack plausibility have not yet been proven. This issue...

PT-2021-29833

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.199 Description A potential security issue exists due to a leak in the kvm arch vcpu ioctl function, specifically in the vcpu load operation. The actual impact and attack plausibility of this issue have not...

PT-2021-25714

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 4.18 through 5.10.53 Description A potential security issue exists due to a leak in the kvm arch vcpu ioctl function, specifically in the vcpu load operation. The actual impact and likelihood of an attack have not been...

PT-2021-29777

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.136 Description A potential security issue exists due to a leak in the kvm arch vcpu ioctl function. The actual impact and attack plausibility have not yet been proven. This issue was introduced in version...

PT-2021-25838

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.199 Description The issue is related to a leak in the kvm arch vcpu ioctl function, specifically in the vcpu load operation. The actual impact and potential for attack have not been fully determined...

PT-2021-25633

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions 4.18 through 5.13.5 Description: A potential security issue exists due to a leak in the kvm arch vcpu ioctl function, specifically in the vcpu load operation. The actual impact and likelihood of an attack have not been...

PT-2021-25782

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.136 Description The issue is related to a leak in the kvm arch vcpu ioctl function, specifically in the vcpu load operation. This problem was introduced in version v4.18 and is fixed in Linux Kernel version...

PT-2021-29628

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 4.18 through 5.13.5 Description A potential security issue exists due to a leak in the kvm arch vcpu ioctl vcpu load function. The actual impact and attack plausibility have not yet been proven. This issue was introduced ...

PT-2024-11297

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a leak in kvm arch vcpu ioctl vcpu load due to vcpu put not being called if the user copy fails. This can result in preempt notifier corruption and crashes, among...

UBUNTU-CVE-2016-3713

The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu data structure, and consequently obtain sensitive information or cause a denial of service system crash, via a crafted ioctl call...

PT-2016-5673

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.6.1 Description The issue allows guest OS users to read or write to the kvm arch vcpu data structure, potentially obtaining sensitive information or causing a denial of service system crash. This can be achieve...