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CVE Record

CVE-2018-25015: An issue was discovered in the Linux kernel before 4.14.16.

An issue was discovered in the Linux kernel before 4.14.16. There is a use-after-free in net/sctp/socket.c for a held lock after a peel off, aka CID-a0ff660058b8.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Linux kernels before 4.14.16 have a memory-safety bug in SCTP socket handling. After an SCTP socket peel-off operation, the kernel could reference freed memory while handling a lock. The sources do not provide CVSS, confirmed exploitation, or detailed impact, so business urgency depends on whether affected kernels and SCTP are present.

Executive priority

Treat this as a targeted kernel hygiene item, not a confirmed emergency. Prioritize remediation where old kernels and SCTP exposure exist, especially on internet-facing, shared, or appliance environments.

Technical view

CVE-2018-25015 is a use-after-free in net/sctp/socket.c, described as a held-lock-after-peel-off issue. The referenced Linux commit a0ff660058b8 and Linux 4.14.16 changelog indicate the fix landed by 4.14.16. The bundle provides no CVSS, CWE, exploit confirmation, or full product matrix.

Likely exposure

Most likely exposure is Linux systems or appliances running kernels before 4.14.16 where SCTP is enabled or reachable. NetApp published an advisory, but the bundle does not enumerate exact affected NetApp products or versions.

Exploitation context

No active exploitation is shown in the provided sources, and the CVE is not listed as KEV. Syzkaller and SyzScope references indicate discovery or analysis through kernel fuzzing and warning classification, not confirmed real-world attacks.

Researcher notes

The public bundle is sparse: no CVSS, CWE, affected CPEs, exploit status, or impact class beyond use-after-free. The strongest anchors are the CVE description, Linux fix commit, Linux 4.14.16 changelog, Syzkaller/SyzScope references, and NetApp advisory.

Mitigation direction

  • Upgrade Linux kernels to 4.14.16 or a vendor-supported fixed release.
  • Check vendor advisories for appliance-specific fixed versions and maintenance releases.
  • Reduce SCTP exposure where it is not operationally required.
  • Prioritize internet-facing or multi-tenant systems first.

Validation and detection

  • Inventory Linux kernel versions and flag versions earlier than 4.14.16.
  • Confirm whether SCTP is enabled, loaded, or exposed in relevant environments.
  • Review vendor advisories for embedded or appliance kernels.
  • Verify remediation through package, kernel, or appliance version evidence.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2018-25015 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.