CVE-2018-20836

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

5.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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

2019-05-07 13:04Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-05-07

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-416Use After FreeVariant
• CWE-366Race Condition within a ThreadBase

Data version

5.1

Document digest

8d1024a58b2b74661eb03254eca9c45a7111037423cb01d02e8ac7c3ae0ab6c3

• github.comhttps://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16aex_refsource_MISC
• git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16aex_refsource_MISC
• www.securityfocus.com108196http://www.securityfocus.com/bid/108196vdb-entryx_refsource_BID
• support.f5.comhttps://support.f5.com/csp/article/K11225249x_refsource_CONFIRM
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190719-0003/x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2019:1716http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1757http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4076-1https://usn.ubuntu.com/4076-1/vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-4495https://www.debian.org/security/2019/dsa-4495vendor-advisoryx_refsource_DEBIAN
• seclists.org20190812 [SECURITY] [DSA 4495-1] linux security updatehttps://seclists.org/bugtraq/2019/Aug/13mailing-listx_refsource_BUGTRAQ
• seclists.org20190813 [SECURITY] [DSA 4497-1] linux security updatehttps://seclists.org/bugtraq/2019/Aug/18mailing-listx_refsource_BUGTRAQ
• www.debian.orgDSA-4497https://www.debian.org/security/2019/dsa-4497vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20190814 [SECURITY] [DLA 1884-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00016.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2019/08/msg00017.htmlmailing-listx_refsource_MLIST