PT-2017-6639 · Selinux · Selinux-Policy

Florian Weimer · Published 2017-07-21 · Updated 2017-07-26 · CVE-2015-3170

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions selinux-policy (affected versions not specified)

Description The issue allows local users to cause a denial of service, specifically preventing SSH login, by creating a hardlink to /etc/passwd from a directory named .config and updating selinux-policy, when sysctl fs.protected hardlinks are set to 0.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-254

Related Identifiers

CVE-2015-3170

Affected Products

Selinux-Policy

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2015-3170 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1218672 · Note