Security readout for executives and security teams
A privileged user inside an ARM64 KVM virtual machine could crash the host by touching a CPU performance counter register. The business impact is availability: affected virtualization hosts could be forced offline by a malicious or compromised guest OS account. Exposure is limited to ARM64 systems running KVM with vulnerable Linux kernels and tenants/users who can gain privileged access inside a guest OS. Non-KVM hosts and non-ARM64 environments are not shown as affected by the bundle. Treat this as a targeted availability risk for ARM64 virtualization platforms, not a broad enterprise compromise issue. Prioritize if the organization hosts untrusted tenants or relies on vulnerable ARM64 KVM infrastructure for production workloads. Mitigation focus: Upgrade affected Linux kernels according to vendor guidance and the referenced upstream fix.; Prioritize ARM64 KVM hosts running kernels before the fixed versions cited in sources.; Restrict privileged guest access where untrusted users share virtualization infrastructure..
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
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ATT&CK lookup starting points
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CWE-617: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-12168 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://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1492984CVE reference · x_refsource_CONFIRM
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.
Reachable Assertion
Reachable Assertion represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.