CVE record · CVE-2026-90209

s390/debug: Fix deadlock during unregister

No CVSS scoreEPSS 0.0022 · 11th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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 9372a82892c2caa6bccab9a4081166fa769699f8 to before a214c3dacc779b2afcb0ac9c8001e45ee4ffb2ed git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before 183f8f6d64bb0510070c856b9927618c53014a7b git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before a08b70ed2d1ec907353a72f15163b8e34ff4b2f8 git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before 45bb341d1b73eb293e0dd43d9b72bbc8b615d0ba git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before 5d83f3faa3fb7f23f298cfd40382611999de5d1d git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before 54e1259b75d6402a1d0cfb822b9bb2c507e53dab git affected 9372a82892c2caa6bccab9a4081166fa769699f8 to before 445c31ac638fd1af203d79bdf25fc0cb3149fbbc git affected c68ba4a708fbd0efdc384cd29250bb292a45e559 git affected 86f9980909f31ab205323eeeb290fe3cbb4952b4 git affected fe5793e90d3f572a87ba67fe2f0e1679fdff14f8 git affected e234f66168f0d50c0d28154fb983a14e85c3c526 git affected 5.4.146 to before 5.5 semver and 3 more Other versions: unaffected
Linux	Linux	affected 5.15 unaffected before 5.15 semver unaffected 5.15.221 to 5.15., inclusive semver unaffected 6.1.188 to 6.1., inclusive semver unaffected 6.6.157 to 6.6., inclusive semver unaffected 6.12.110 to 6.12., inclusive semver unaffected 6.18.52 to 6.18., inclusive semver unaffected 7.2.6 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-90209
CNA: Linux
Tags: Linux kernel
Published: 17 Sept 2026
Updated: 19 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 0.0022, the 11th percentile, on 13 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 17 Sept 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.