Vulnerability Details : 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 category: Denial of service
Products affected by CVE-2017-18203
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18203
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18203
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:N/A:P |
3.4
|
2.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2017-18203
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18203
-
https://usn.ubuntu.com/3653-2/
USN-3653-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices
-
https://access.redhat.com/errata/RHSA-2018:1854
RHSA-2018:1854 - Security Advisory - Red Hat Customer Portal
-
https://usn.ubuntu.com/3657-1/
USN-3657-1: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://usn.ubuntu.com/3653-1/
USN-3653-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed
dm: fix race between dm_get_from_kobject() and __dm_destroy() · torvalds/linux@b9a41d2 · GitHubPatch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:0676
RHSA-2018:0676 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2018:1062
RHSA-2018:1062 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2019:4154
RHSA-2019:4154 - Security Advisory - Red Hat Customer Portal
-
https://usn.ubuntu.com/3619-1/
USN-3619-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/3655-2/
USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/3619-2/
USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/3655-1/
USN-3655-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3
Release Notes;Vendor Advisory
-
https://www.debian.org/security/2018/dsa-4187
Debian -- Security Information -- DSA-4187-1 linux
-
http://www.securityfocus.com/bid/103184
Linux Kernel 'drivers/md/dm.c' Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
[SECURITY] [DLA 1369-1] linux security update
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