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Fencer Intel
high 7.1

CVE-2014-6418 json

net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attacker…

published 12y ago modified 4mo ago also EUVD-2014-6298

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly validate auth replies, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via crafted data from the IP address of a Ceph Monitor.

Patch / fix

  • linux linux_kernel 3.2.64, 3.4.105, 3.10.55, 3.12.29, 3.14.19, 3.16.3
  • linux Debian 14, Debian 13, Debian 12 3.16.3-1

debian advisories DEBIAN-CVE-2014-6418

  • linux Ubuntu 14.04 LTS 3.13.0-37.64

ubuntu advisories UBUNTU-CVE-2014-6418

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-6418 updated cvss 5.5

kernel: libceph: missing validation of auth reply

  • Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.88% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8 referenced PoC, tagged "exploit" by a source, unverified
  • tracker.ceph.com http://tracker.ceph.com/issues/8979 referenced PoC, tagged "exploit" by a source, unverified
  • kernel.org http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.