CVE record · CVE-2026-98983

unshare: don't drop active namespace references that were never taken

No CVSS scoreEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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
Linux	Linux	affected a98621a0f187a934c115dcfe79a49520ae892111 to before 56fe03a0c05dba4c5f6a23c391f96de1614a098c git affected a98621a0f187a934c115dcfe79a49520ae892111 to before 0b6f31a3c0b16066f812e94b52a704174a6f23cd git affected 27ae6b17c9ba7ff353ab0906297f08aa845782b4 git affected 297261b343371c4f0b31055d53d285138ec21565 git affected 813a47b0309097da71781ee4ac11922e39b67d55 git affected 6e608e3e5ce12ce7fd21e46212eccca37f917d0e git affected a261fccdb4ac58ec5ba6aa1d92a6cc418fff301f git affected 665dc1ed16357988d439fc5bbc860ee36f540d81 git affected 5.15.209 to before 5.16 semver affected 6.1.175 to before 6.2 semver affected 6.6.141 to before 6.7 semver affected 6.12.91 to before 6.13 semver and 2 more Other versions: unaffected
Linux	Linux	affected 7.1 unaffected before 7.1 semver unaffected 7.2.11 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-98983
CNA: Linux
Tags: Linux kernel
Published: 23 Oct 2026
Updated: 23 Oct 2026

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 0.0016, the 5th percentile, on 6 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 23 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

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.