What is CVE-2014-6416?

CVE-2014-6416 is a vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-28.

Is CVE-2014-6416 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2014-6416

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.

Vulnerability class: Buffer Overflow

Published 2014-09-28 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.062 (93.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.062 · newest: 0.062 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 12.04, 14.04

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2014-6416

References

www.ubuntu.com/usn/USN-2377-1 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/69805 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8 (Exploit, Third Party Advisory)
www.openwall.com/lists/oss-security/2014/09/15/7 (mailing-list, Exploit, Mailing List)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-2378-1 (vendor-advisory, Third Party Advisory)
tracker.ceph.com/issues/8979 (Broken Link)
www.ubuntu.com/usn/USN-2379-1 (vendor-advisory, Third Party Advisory)
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3 (Exploit, Vendor Advisory)
www.ubuntu.com/usn/USN-2376-1 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2014-6416?: CVE-2014-6416 is a vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-28.
Is CVE-2014-6416 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.