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MEDIUM

The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function

Published Oct 29, 2009

Description

The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function.

Affected products

Remediation

Red Hat statement

Not vulnerable. This issue did not affect the versions of KVM as shipped with Red Hat Enterprise Linux 5 as it does not contain the patch that introduced this vulnerability (upstream commit f0a3602c).

References (9)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 29, 2009
Updated Aug 7, 2024
Reserved Oct 9, 2009
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity n/a
Public date n/a