arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.
CVSS Details
- CVSS 3.1 Base Score: 5.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade python-perfUpgrade perfUpgrade kernel-docUpgrade kernel-headersUpgrade kernel-abi-whitelistsUpgrade kernel-firmwareUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernelUpgrade kernel-debug | Dec 1, 2016 | Nov 10, 2014 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Nov 10, 2014 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Sep 8, 2015 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | Nov 10, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 21, 2014 |
| Suse | — | Upgrade kernel-ec2Upgrade kernel-defaultUpgrade kernel-obs-buildUpgrade kernel-ec2-extraUpgrade kernel-docsUpgrade kernel-ec2-devel | Dec 18, 2015 | Nov 10, 2014 |
| Ubuntu | — | Upgrade linux-image-3.2.0-72-virtualUpgrade linux-image-3.2.0-72-omapUpgrade linux-image-3.16.0-25-powerpc-e500mcUpgrade linux-image-3.2.0-72-genericUpgrade linux-image-3.16.0-25-powerpc64-embUpgrade linux-image-3.13.0-40-lowlatencyUpgrade linux-image-3.13.0-40-generic-lpaeUpgrade linux-image-3.13.0-40-powerpc-e500Upgrade linux-image-3.13.0-40-powerpc-smpUpgrade linux-image-3.2.0-72-powerpc-smpUpgrade linux-image-3.13.0-40-powerpc64-smpUpgrade linux-image-3.16.0-25-lowlatencyUpgrade linux-image-3.13.0-40-powerpc64-embUpgrade linux-image-3.16.0-25-powerpc-smpUpgrade linux-image-3.16.0-25-generic-lpaeUpgrade linux-image-3.2.0-72-highbankUpgrade linux-image-3.13.0-40-genericUpgrade linux-image-3.2.0-72-powerpc64-smpUpgrade linux-image-3.13.0-40-powerpc-e500mcUpgrade linux-image-3.2.0-72-generic-paeUpgrade linux-image-3.16.0-25-powerpc64-smpUpgrade linux-image-3.16.0-25-genericUpgrade linux-image-3.2.0-1456-omap4 | Nov 8, 2024 | Nov 10, 2014 |
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