CVE-2021-20317: kernel

A flaw was found in the Linux kernel.

No CVSS scoreEPSS 0.0038 · 32nd percentile

Published by the CVE Program (CNA: redhat) at 27 Sept 2021, 10:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	kernel	affected Kernel 5.3 rc1

Identifiers

CVE-2021-20317

CNA

redhat

Weakness (CWE)

CWE-665

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0038, the 32nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Sept 2021. New records show when each source confirmed them.

Sources

References from the CNA

git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f1
bugzilla.redhat.com/show_bug.cgi?id=2005258
lists.debian.org/debian-lts-announce/2021/12/msg00012.html mailing-listmlist
lists.debian.org/debian-lts-announce/2022/03/msg00012.html mailing-listmlist
www.debian.org/security/2022/dsa-5096 vendor-advisorydebian
cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.