In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested...
Vulnerability Description
In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://usn.ubuntu.com/3752-2/
- https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://usn.ubuntu.com/3752-3/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.2
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1589
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=727ba748e110b4de50d142edca9d6a9b7e6111d8
- https://usn.ubuntu.com/3752-1/
- https://www.exploit-db.com/exploits/44944/
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.