Vulnerability in Linux Kernel
CVE-2017-18270
In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
References
- github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3 (Patch)
- usn.ubuntu.com/3754-1/ (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 (Release Notes)
- www.securityfocus.com/bid/104254 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- support.f5.com/csp/article/K37301725
- bugzilla.redhat.com/show_bug.cgi
- bugzilla.redhat.com/show_bug.cgi
- bugzilla.redhat.com/show_bug.cgi
Frequently asked questions
- What is CVE-2017-18270?
- CVE-2017-18270 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.1/10. Published 2018-05-18.
- How severe is CVE-2017-18270?
- High severity. CVSS v3 base score is 7.1 out of 10.