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CVE record · CVE-2026-90413

IB/isert: reject login PDUs declaring more data than was received

CVSS 9.1 CriticalCriticalEPSS 0.0084 · 58th percentile

Critical, because:

  • CVSS score 9.1: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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
VendorProductVersions
Linux Linux
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before b1f3313e7b3e396e4985fea5c709477387e0a065 git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 228aaa620fe6a7bc8b5b21dd348b4836b1760c61 git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 0d9c0586af703890afe1bd0cfe641e3a3af1c32d git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 44fe800ec13386c88bd5b32bcd1deaa1e17535d5 git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 71ec8bbfa4a183f1e623662f9cfbcd702e433bdb git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before c345d9d0b3eefc990bb90cf565325785aab06aab git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 48812c8103071d550d9ab4a3431be5bdc52255bc git
  • affected b8d26b3be8b33682cf163274ed07479a70554633 to before 2488b5b4827e5415768afc8daf097e8eb83c98df git
Other versions: unaffected
Linux Linux
  • affected 3.10
  • unaffected before 3.10 semver
  • unaffected 5.10.270 to 5.10.*, inclusive 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-2026-90413
CNA
Linux
Tags
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

ScoreRatingCVSSVectorSource
9.1 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0084, the 58th 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.