CVE-2013-6376

CVE-2013-6376 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

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.

Frequently asked questions

What is CVE-2013-6376?
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.
How severe is CVE-2013-6376?
CVE-2013-6376 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2013-6376 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6376?
CVE-2013-6376 primarily affects Linux Linux Kernel. In total, 278 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6376?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6376 published?
CVE-2013-6376 was published on 2013-12-14 and last updated on 2026-06-17.

References

Affected products (278)

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