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.

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.

EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.

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.

Affected products

Canonical Selinux
N/a — versions n/a

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

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.