Auth bypass in Linux Kernel
CVE-2018-16597
An issue was discovered in the Linux kernel before 4.8. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.
Vulnerability class: Broken Access Control
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:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105394 (VDB Entry, Third Party Advisory, vdb-entry)
- security.netapp.com/advisory/ntap-20190204-0001/ (Patch, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory)
- support.f5.com/csp/article/K22691834 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html (vendor-advisory, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2019/Jul/33 (mailing-list)
- packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2…
Frequently asked questions
- What is CVE-2018-16597?
- CVE-2018-16597 is a medium-severity vulnerability in Linux Kernel, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2018-09-21.
- How severe is CVE-2018-16597?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-16597 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.