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No exploitation reportedFix available

CVE-2018-14734

No exploitation reported by the sources we read.

  • Published2018-07-29
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).

Timeline

dates in UTC
  1. 2018-07-2923:29CVE publishedNVD

Versions per branch

NVD
Canonical ubuntu linux
BranchAffectedFixed in
12.4= 12.04no fix published
14.4= 14.04no fix published
16.4= 16.04no fix published
18.4= 18.04no fix published
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
9.0= 9.0no fix published
Linux linux kernel
BranchAffectedFixed in
4.17≤ 4.17.11no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • dpdkSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 16.11.6-8.7.2and 1 other package
  • dpdkSUSE:Linux Enterprise Server for SAP Applications 12 SP3all versions · fixed in 16.11.6-8.7.2and 1 other package
  • dpdkSUSE:Linux Enterprise Server 12 SP3all versions · fixed in 16.11.6-8.7.2and 1 other package
  • kernelTuxCare:OracleLinux:6all versions · fixed in 2.6.32-754.35.8.el6.tuxcare.els35and 9 other packages
  • kernelTuxCare:CentOS:6all versions · fixed in 2.6.32-754.35.8.el6.tuxcare.els35and 9 other packages
  • kernelRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:3.10.0-1062.el7and 18 other packages
  • kernelRed Hat:enterprise_linux:7::serverall versions · fixed in 0:4.14.0-115.7.1.el7aand 19 other packages
  • kernelRed Hat:enterprise_linux:7::serverall versions · fixed in 0:3.10.0-1062.el7and 25 other packages

88 more package ranges on OSV.dev

Vendor advisories

  • RHSA-2019:2043 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: kernel-rt security and bug fix update

  • RHSA-2019:2029 Red Hat Product Security174 products fixed

    Red Hat Security Advisory: kernel security, bug fix, and enhancement update

  • RHSA-2019:0831 Red Hat Product Security26 products fixed

    Red Hat Security Advisory: kernel-alt security and bug fix update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2019:2043 · 30 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-07-29
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-mw8q-cf75-7f35

Frequently asked questions

What is CVE-2018-14734?

drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).

Is CVE-2018-14734 actively exploited?

Active exploitation of CVE-2018-14734 has not been confirmed. Its EPSS score was 0.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-14734?

CVE-2018-14734 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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