What is CVE-2016-4913?

CVE-2016-4913 is a high-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 7.8/10. Published 2016-05-23.

How severe is CVE-2016-4913?

High severity. CVSS v3 base score is 7.8 out of 10.

Information disclosure in Linux Kernel

CVE-2016-4913

The get_rock_ridge_filename function in fs/isofs/rock.c in the Linux kernel before 4.5.5 mishandles NM (aka alternate name) entries containing \0 characters, which allows local users to obtain sensitive information from kernel memory or possibly have unspecified other impact via a crafted isofs filesystem.

Vulnerability class: Information Disclosure

Published 2016-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.4th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linux Kernel
Novell SUSE Linux Enterprise Debuginfo — versions 11.0
Novell SUSE Linux Enterprise Server — versions 11.0
Novell SUSE Linux Enterprise Software Development Kit — versions 11.0
Oracle Linux — versions 6
Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

access.redhat.com/errata/RHSA-2018:3083 (vendor-advisory, Third Party Advisory)
github.com/torvalds/linux/commit/99d825822eade8d827a1817357cbf3f889a552d6 (Vendor Advisory)
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
www.ubuntu.com/usn/USN-3017-1 (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
www.ubuntu.com/usn/USN-3017-3 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-3018-2 (vendor-advisory, Third Party Advisory)
www.ubuntu.com/usn/USN-3021-2 (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-3017-2 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2016-4913?: CVE-2016-4913 is a high-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 7.8/10. Published 2016-05-23.
How severe is CVE-2016-4913?: High severity. CVSS v3 base score is 7.8 out of 10.