Vulnerability in Linux Kernel
CVE-2017-18203
The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (23.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.debian.org/security/2018/dsa-4187 (vendor-advisory)
- usn.ubuntu.com/3619-2/ (vendor-advisory)
- www.securityfocus.com/bid/103184 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:1854 (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3 (Release Notes, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:1062 (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0676 (vendor-advisory)
- usn.ubuntu.com/3653-2/ (vendor-advisory)
- usn.ubuntu.com/3655-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2017-18203?
- CVE-2017-18203 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2018-02-27.
- How severe is CVE-2017-18203?
- Medium severity. CVSS v3 base score is 4.7 out of 10.