This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Metrics
Affected Vendors & Products
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 20 May 2025 14:45:00 +0000
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Tue, 20 May 2025 14:15:00 +0000
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| Description | 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. | This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. |
| Title | KVM: VMX: Reset eVMCS controls in VP assist page during hardware disabling | kernel: KVM: VMX: Reset eVMCS controls in VP assist page during hardware disabling |
Mon, 05 May 2025 13:45:00 +0000
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| Metrics |
threat_severity
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cvssV3_1
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Fri, 02 May 2025 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | KVM: VMX: Reset eVMCS controls in VP assist page during hardware disabling | |
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MITRE
Status: REJECTED
Assigner: Linux
Published:
Updated: 2025-05-20T13:59:14.308Z
Reserved: 2025-05-01T14:05:17.254Z
Link: CVE-2022-49933
Vulnrichment
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NVD
Status : Rejected
Published: 2025-05-02T16:15:22.163
Modified: 2025-05-20T14:15:26.470
Link: CVE-2022-49933
Redhat
OpenCVE Enrichment
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