- Description
- The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.
- Source
- secalert@redhat.com
- NVD status
- Modified
CVSS 3.0
- Type
- Primary
- Base score
- 6.5
- Impact score
- 4
- Exploitability score
- 2
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.9
- Impact score
- 6.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:N/I:N/A:C
- nvd@nist.gov
- CWE-772
- Hype score
- Not currently trending
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{
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"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "631307FC-F876-4F6F-9611-3DA04263A60E",
"versionEndIncluding": "4.9.8"
}
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}
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}
]