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6.8

Linux kernel can let a virtual machine crash the host

CVE-2013-1797 · published 13 years ago
Summary

The Linux kernel up to version 3.8.4 contains a flaw in its virtualization component that can be triggered by code running inside a guest virtual machine. An attacker inside the guest could cause the host system to run out of memory or behave unpredictably, potentially leading to a crash. Update the kernel to a version that includes the fix or apply the vendor’s recommended patch.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
linux linux_kernel <= 3.8.4
3.8.0
3.8.1
3.8.2
3.8.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Original advisory text
Use-after-free vulnerability in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 allows guest OS users to cause a denial of service (host OS memory corruption) or possibly have unspecified othe...
Use-after-free vulnerability in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 allows guest OS users to cause a denial of service (host OS memory corruption) or possibly have unspecified other impact via a crafted application that triggers use of a guest physical address (GPA) in (1) movable or (2) removable memory during an MSR_KVM_SYSTEM_TIME kvm_set_msr_common operation.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
6.8 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-399Resource Management Errors
Timeline
Published22 Mar 2013
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2013-1797 · NVD
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