Security readout for executives and security teams
CVE-2017-7518 is a Linux KVM virtualization flaw. A local user or process inside an affected guest could potentially gain higher privileges inside that guest. The bundle says Linux guests are not affected, so urgency depends on KVM use and guest operating systems. Exposure is most likely on virtualization hosts running vulnerable Linux kernels with KVM enabled and affected non-Linux guest workloads. The bundle does not identify specific affected guest operating systems beyond stating Linux guests are not affected. Treat as a moderate-priority virtualization maintenance issue. It is not internet-remote and has no provided active-exploitation evidence, but it matters for shared or lower-trust guest environments because guest privilege boundaries may be weakened. Mitigation focus: Apply vendor kernel updates from Red Hat, Ubuntu, Debian, or your distribution.; Ensure the running kernel includes the KVM fix for CVE-2017-7518.; Prioritize KVM hosts running untrusted or multi-tenant guest workloads..
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-250: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-7518 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
- Medium
- CVSS
- 5.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.13.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.5MediumVector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2018:0412CVE reference · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/articles/3290921CVE reference · x_refsource_CONFIRM
- USN-3619-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- RHSA-2018:0395CVE reference · vendor-advisory, x_refsource_REDHAT
- USN-3754-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7518CVE reference · x_refsource_CONFIRM
- USN-3619-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- DSA-3981CVE reference · vendor-advisory, x_refsource_DEBIAN
- [kvm] 20170622 [PATCH] KVM: x86: fix singlestepping over syscallCVE reference · mailing-list, x_refsource_MLIST
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.
Execution with Unnecessary Privileges
Execution with Unnecessary Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.