What is CVE-2013-4367?

CVE-2013-4367 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-11-01.

How severe is CVE-2013-4367?

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

Vulnerability in Linux Kernel

CVE-2013-4367

ovirt-engine 3.2 running on Linux kernel 3.1 and newer creates certain files world-writeable due to an upstream kernel change which impacted how python's os.chmod() works when passed a mode of '-1'.

Published 2019-11-01 · last modified 2026-06-16.

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: 0.003 (22.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linux Kernel — versions 3.1
Ovirt Ovirt-Engine — versions 3.2
Ovirt-Engine — versions ovirt-engine 3.2 running on Linux kernel 3.1 and newer

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
access.redhat.com/security/cve/cve-2013-4367 (Third Party Advisory)

Frequently asked questions

What is CVE-2013-4367?: CVE-2013-4367 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2019-11-01.
How severe is CVE-2013-4367?: High severity. CVSS v3 base score is 7.8 out of 10.