Security readout for executives and security teams
CVE-2018-6554 is a Linux kernel memory leak that can let a local user consume system memory and cause a denial of service. It is not described as remote code execution. Business risk is highest on shared or multi-user Linux systems running kernels before 4.17. Exposure is limited to Linux systems running kernels before 4.17 where a local user can trigger AF_IRDA socket binding. Internet-facing exposure is not supported by the provided sources. Treat as a targeted availability risk, not a broad remote compromise. Patch through normal kernel security update processes, with faster handling for shared Linux environments. Mitigation focus: Apply vendor-provided Linux kernel security updates for affected distributions.; Prioritize shared systems and hosts with untrusted local users.; Confirm kernels are no longer before Linux 4.17 or are vendor-patched..
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-400: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-6554 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-3776-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3776-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3777-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3775-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20181003 [SECURITY] [DLA 1531-1] linux-4.9 security updateCVE reference · mailing-list, x_refsource_MLIST
- [stable] 20180904 [PATCH 1/2] irda: Fix memory leak caused by repeated binds of irda socketCVE reference · mailing-list, x_refsource_MLIST
- DSA-4308CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-3775-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3777-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3777-3CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security updateCVE reference · mailing-list, x_refsource_MLIST
- [stable] 20180904 [PATCH 1/2] irda: Fix memory leak caused by repeated binds of irda socketCVE 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.