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CVE-2022-49933

Опубликовано: 02 мая 2025
Источник: nvd

Описание

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Связанные уязвимости

ubuntu
больше 1 года назад

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

github
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Reset eVMCS controls in VP assist page during hardware disabling Reset the eVMCS controls in the per-CPU VP assist page during hardware disabling instead of waiting until kvm-intel's module exit. The controls are activated if and only if KVM creates a VM, i.e. don't need to be reset if hardware is never enabled. Doing the reset during hardware disabling will naturally fix a potential NULL pointer deref bug once KVM disables CPU hotplug while enabling and disabling hardware (which is necessary to fix a variety of bugs). If the kernel is running as the root partition, the VP assist page is unmapped during CPU hot unplug, and so KVM's clearing of the eVMCS controls needs to occur with CPU hot(un)plug disabled, otherwise KVM could attempt to write to a CPU's VP assist page after it's unmapped.

CVSS3: 4.8
fstec
почти 4 года назад

Уязвимость компонента KVM ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании