Bug 2293344 (CVE-2022-48765)

Summary: CVE-2022-48765 kernel: KVM: LAPIC: Also cancel preemption timer during SET_LAPIC
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, rkeshri, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 5.15.19, kernel 5.16.5, kernel 5.17 Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in the Linux kernel's KVM component related to the LAPIC during the guest reboot process. This issue arises when the SET_LAPIC command is issued without exposing the tsc-deadline mode, leading to warnings and potential inconsistencies due to an unhandled preemption timer. This situation can disrupt the normal operation of virtual machines.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2293307    

Description Avinash Hanwate 2024-06-20 13:54:30 UTC
In the Linux kernel, the following vulnerability has been resolved:

KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

The Linux kernel CVE team has assigned CVE-2022-48765 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024062009-CVE-2022-48765-ddb8@gregkh/T