Vulnerability in Linux Kernel
CVE-2016-6198
The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Linux Kernel
- Oracle Linux — versions 6
- Oracle Vm Server — versions 3.4
Weakness classification (CWE)
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Vendor Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1847.html (vendor-advisory)
- github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca (Patch, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-2584.html (vendor-advisory)
- www.securityfocus.com/bid/91709 (vdb-entry)
- rhn.redhat.com/errata/RHSA-2016-1875.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-2574.html (vendor-advisory)
- www.securitytracker.com/id/1036273 (vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2016-6198?
- CVE-2016-6198 is a medium-severity vulnerability in Linux Kernel, classified under Improper Access Control. CVSS score: 5.5/10. Published 2016-08-06.
- How severe is CVE-2016-6198?
- Medium severity. CVSS v3 base score is 5.5 out of 10.