Denial of Service Vulnerability in SELinux Policy with fs.protected_hardlinks Set to 0

CVE-2015-3170 · LOW Severity

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

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.

Learn more about our Cis Benchmark Audit For Distribution Independent Linux.