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Fencer Intel
high 7.8

CVE-2014-6416 json

Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of servi…

published 2014-09-28 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-6296

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.

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-2014-6416

  • linux Ubuntu 14.04 LTS 3.13.0-37.64

ubuntu advisories UBUNTU-CVE-2014-6416

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

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-2014-6416 updated cvss 5.5

kernel: libceph auth token buffer overflow

  • 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

6.17% chance of exploitation in the next 30 days, higher than 93% 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
  • openwall.com http://www.openwall.com/lists/oss-security/2014/09/15/7 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 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
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.