CVE record · CVE-2026-99133

net/iucv: fix the recvmsg window update

No CVSS scoreEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 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
VendorProductVersions
Linux Linux
  • affected 3881ac441f642d56503818123446f7298442236b to before 01123990f59ce32a1a5e690a4aeee002e932bb07 git
  • affected 3881ac441f642d56503818123446f7298442236b to before 1ebe68bbf8e75eeccaca0c7bc9694f5bc0c3f00a git
  • affected 3881ac441f642d56503818123446f7298442236b to before 23e7fbbdca5aaba2a9a7bb9e4f2dc179c290ee76 git
  • affected 3881ac441f642d56503818123446f7298442236b to before ce8aac3eb57f5366fa082b7cb8a1ac5652274f37 git
  • affected 3881ac441f642d56503818123446f7298442236b to before 8f2efa742f4cfe7dd756154f8bc07350dbe3ec92 git
  • affected 3881ac441f642d56503818123446f7298442236b to before fe7393a627db2d093e8c0cae69d619b30fefae5f git
  • affected 3881ac441f642d56503818123446f7298442236b to before fa5acd038ea657ad5033713d6916214cbd349151 git
Other versions: unaffected
Linux Linux
  • affected 3.2
  • unaffected before 3.2 semver
  • unaffected 5.15.224 to 5.15.*, inclusive semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.161 to 6.6.*, inclusive semver
  • unaffected 6.12.115 to 6.12.*, inclusive semver
  • unaffected 6.18.59 to 6.18.*, inclusive semver
  • unaffected 7.2.13 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-99133
CNA
Linux
Published
28 Oct 2026
Updated
30 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 0.0018, the 7th 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 28 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.