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MEDIUM

kernel: kvm: BUG_ON() in apic_cluster_id()

Published Dec 14, 2013

Description

The recalculate_apic_map function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (host OS crash) via a crafted ICR write operation in x2apic mode.

Affected products

Remediation

Red Hat statement

Not vulnerable. This issue did not affect the versions of kvm packages as shipped with Red Hat Enterprise Linux 5. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise 6. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise MRG 2 as they did not provide support for the KVM subsystem.

Weaknesses (1)

References (13)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Dec 14, 2013
Updated Aug 6, 2024
Reserved Nov 4, 2013
NVD
Status Modified
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Dec 12, 2013