CVE-2018-20976

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

0.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/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

Important. 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

2019-08-19 01:52Z7 YR AGO

Last updated

2024-08-05 12:19Z2 YR AGO

Reserved

2019-08-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

ae42c0e0e2f2986ef6c91e98abe0a5db722cf3eaac98664ac0129f979073bee5

• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190905-0002/x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2019:2173http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2181http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00025.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4144-1https://usn.ubuntu.com/4144-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4145-1https://usn.ubuntu.com/4145-1/vendor-advisoryx_refsource_UBUNTU
• support.f5.comhttps://support.f5.com/csp/article/K10269585?utm_source=f5support&amp%3Butm_medium=RSSx_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlx_refsource_MISC
• seclists.org20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01)https://seclists.org/bugtraq/2019/Nov/11mailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlx_refsource_MISC
• access.redhat.comRHSA-2020:0178https://access.redhat.com/errata/RHSA-2020:0178vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0543https://access.redhat.com/errata/RHSA-2020:0543vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0592https://access.redhat.com/errata/RHSA-2020:0592vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0609https://access.redhat.com/errata/RHSA-2020:0609vendor-advisoryx_refsource_REDHAT
• lists.debian.org[debian-lts-announce] 20200302 [SECURITY] [DLA 2114-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2020:0661https://access.redhat.com/errata/RHSA-2020:0661vendor-advisoryx_refsource_REDHAT