Bug 1216927 (CVE-2023-5090)

Summary: VUL-0: CVE-2023-5090: kvm,qemu,xen: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs
Product: [Novell Products] SUSE Security Incidents Reporter: SMASH SMASH <smash_bz>
Component: IncidentsAssignee: Dario Faggioli <dfaggioli>
Status: RESOLVED INVALID QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P3 - Medium CC: dfaggioli, stoyan.manolov
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/384215/
Whiteboard: CVSSv3.1:SUSE:CVE-2023-5090:6.0:(AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description SMASH SMASH 2023-11-07 04:26:38 UTC
A flaw was found in KVM. An improper check in svm_set_x2apic_msr_interception()
may allow direct access to host x2apic msrs when the guest resets its apic,
potentially leading to a denial of service condition.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-5090