Vulnerability in Canonical Selinux

CVE-2011-3151

The Ubuntu SELinux initscript before version 1:0.10 used touch to create a lockfile in a world-writable directory. If the OS kernel does not have symlink protections then an attacker can cause a zero byte file to be allocated on any writable filesystem.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2011-3151: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2011-3151?
CVE-2011-3151 is a medium-severity vulnerability in Canonical Selinux, classified under Protection Mechanism Failure. CVSS score: 5.2/10. Published 2019-04-22.
How severe is CVE-2011-3151?
Medium severity. CVSS v3 base score is 5.2 out of 10.