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kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs

🗓️ 12 Jun 2024 02:00:48Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 9 Views

KVM flaw: improper check allows guest to access host x2apic MSRs when resetting APIC, risking DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.69.1.el9_2bpftool-7.0.0-284.69.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.69.1.el9_2bpftool-7.0.0-284.69.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.69.1.el9_2bpftool-7.0.0-284.69.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.69.1.el9_2bpftool-7.0.0-284.69.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.69.1.el9_2bpftool-debuginfo-7.0.0-284.69.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.69.1.el9_2bpftool-debuginfo-7.0.0-284.69.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.69.1.el9_2bpftool-debuginfo-7.0.0-284.69.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.69.1.el9_2bpftool-debuginfo-7.0.0-284.69.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.69.1.el9_2kernel-5.14.0-284.69.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.69.1.el9_2kernel-5.14.0-284.69.1.el9_2.ppc64le.rpm
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28 Jun 2026 12:43Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.5 - 6
EPSS0.00234
9