Security readout for executives and security teams
Plain-English summary
A privileged user inside a KVM guest could crash the Linux host on kernel versions 3.12 through 3.15. This is a denial-of-service issue, not a data theft issue in the provided sources. Business risk is mainly service outage on legacy virtualization hosts.
Executive priority
Prioritize this where legacy KVM hosts still support important workloads or untrusted tenants. It can take down the host, but sources show no active exploitation and require privileged guest access.
Technical view
The flaw is in Linux KVM VMX handling of single-context INVEPT in arch/x86/kvm/vmx.c. A privileged guest OS user can trigger a NULL pointer dereference through a NULL EPT pointer, causing a host OS crash on Linux 3.12 through 3.15.
Likely exposure
Exposure is likely limited to legacy Linux virtualization hosts running kernels 3.12 through 3.15 with KVM/VMX enabled, where guest administrators or compromised privileged guest accounts are present.
Exploitation context
The source bundle does not report active exploitation, public exploit use, or KEV listing. The stated attacker position is already privileged inside a KVM guest OS, and the outcome is host denial of service.
Researcher notes
The public CVE data names Linux 3.12 through 3.15 and the handle_invept path, but provides no CVSS, CWE, patch commit, or confirmed exploit status in the supplied bundle.
Mitigation direction
- Inventory KVM hosts for Linux kernel versions 3.12 through 3.15.
- Check Linux distribution or kernel vendor guidance for fixed supported kernels.
- Upgrade affected virtualization hosts according to vendor guidance where applicable.
- Restrict privileged guest OS access to trusted administrators.
- Move sensitive workloads off affected legacy hosts until remediated.
Validation and detection
- Confirm whether KVM and Intel VMX/EPT virtualization are enabled on legacy hosts.
- Review host kernel versions across virtualization infrastructure.
- Identify tenants or users with privileged access inside guest operating systems.
- Check host logs for KVM, VMX, NULL pointer, or crash events.
- Document compensating controls for any host that cannot be upgraded.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-8106 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.kernel.org/show_bug.cgi?id=195167CVE reference · x_refsource_MISC
- https://launchpad.net/bugs/1678676CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.