CVE-2017-18203

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 24.6% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-02-27 20:00Z8 YR AGO

Last updated

2024-08-05 21:13Z2 YR AGO

Reserved

2018-02-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.1

Document digest

e8d5f47eb8ab88cdec2d19d75e8b85ea50f9a82970681af70b763b74fca5339f

• www.debian.orgDSA-4187https://www.debian.org/security/2018/dsa-4187vendor-advisoryx_refsource_DEBIAN
• usn.ubuntu.comUSN-3619-2https://usn.ubuntu.com/3619-2/vendor-advisoryx_refsource_UBUNTU
• www.securityfocus.com103184http://www.securityfocus.com/bid/103184vdb-entryx_refsource_BID
• github.comhttps://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60edx_refsource_MISC
• access.redhat.comRHSA-2018:1854https://access.redhat.com/errata/RHSA-2018:1854vendor-advisoryx_refsource_REDHAT
• www.kernel.orghttps://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3x_refsource_MISC
• access.redhat.comRHSA-2018:1062https://access.redhat.com/errata/RHSA-2018:1062vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:0676https://access.redhat.com/errata/RHSA-2018:0676vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3653-2https://usn.ubuntu.com/3653-2/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3655-1https://usn.ubuntu.com/3655-1/vendor-advisoryx_refsource_UBUNTU
• git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60edx_refsource_MISC
• lists.debian.org[debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3655-2https://usn.ubuntu.com/3655-2/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3653-1https://usn.ubuntu.com/3653-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3657-1https://usn.ubuntu.com/3657-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-3619-1https://usn.ubuntu.com/3619-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2019:4154https://access.redhat.com/errata/RHSA-2019:4154vendor-advisoryx_refsource_REDHAT