Security readout for executives and security teams
CVE-2017-18204 is a Linux kernel OCFS2 filesystem flaw. A local user could cause a deadlock through direct I/O requests, creating a denial-of-service condition. The sources do not show remote exploitation or privilege escalation. Exposure is most likely on Linux systems running vulnerable kernels with OCFS2 available or in use, especially shared-storage or clustered environments. Local account access is required according to the CVE description. Treat this as a targeted reliability risk, not an internet-wide emergency. Prioritize systems where OCFS2 supports production workloads and local users or hosted workloads are not fully trusted. Mitigation focus: Apply vendor kernel updates that include the upstream OCFS2 fix.; Upgrade kernels to a fixed vendor release or Linux 4.14.2 or later lineage.; Review Ubuntu USN guidance if running affected Ubuntu kernel packages..
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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CVE-2017-18204 mapping review
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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
- USN-3617-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3619-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3617-3CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://github.com/torvalds/linux/commit/28f5a8a7c033cbf3e32277f4cc9c6afd74f05300CVE reference · x_refsource_MISC
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2CVE reference · x_refsource_MISC
- USN-3655-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3655-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3617-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3619-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.