CVE-2015-3170 — MEDIUM (5.5)

Vulnerability Description

selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .config, and updating selinux-policy.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Selinux Project	Selinux	-

Related Weaknesses (CWE)

CWE-254

References

https://bugzilla.redhat.com/show_bug.cgi?id=1218672Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1218672Issue Tracking

FAQ

What is CVE-2015-3170?

CVE-2015-3170 is a vulnerability with a CVSS score of 5.5 (MEDIUM). selinux-policy when sysctl fs.protected_hardlinks are set to 0 allows local users to cause a denial of service (SSH login prevention) by creating a hardlink to /etc/passwd from a directory named .conf...

How severe is CVE-2015-3170?

CVE-2015-3170 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-3170?

Check the references section above for vendor advisories and patch information. Affected products include: Selinux Project Selinux.