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CVE record · CVE-2026-99153

scsi: libiscsi: Validate the ITT reflected in a Reject PDU

CVSS 9.8 CriticalCriticalEPSS 0.0055 · 46th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:35 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 8afa1439fcff58da8f28c1d083046f229f6ab3de to before 3637a4ad1d07477f1c60609876da6b60154d224b git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before 21ef746340ce246344f34278e205b8960c1d8874 git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before d20583a9dbe0d32a9af8384c857c95c0fc115103 git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before ebb8c5ef2aabf66895253600e8390e8fc7094807 git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before 576125e7382a7826bd6c3c1ca4d9c582ed5be21d git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before 7215a69b6456fda79c0935c2959045dff3fcaac8 git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before d79343ae3223b3f7f74b55e79f8a1371fa3f4b1a git
  • affected 8afa1439fcff58da8f28c1d083046f229f6ab3de to before c5958c770b2a0ee492414e26b07da9164a0d1f5d git
Other versions: unaffected
Linux Linux
  • affected 2.6.32
  • unaffected before 2.6.32 semver
  • unaffected 5.10.273 to 5.10.*, inclusive 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-2026-99153
CNA
Linux
Tags
Published
28 Oct 2026
Updated
31 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
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0055, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 28 Oct 2026, 10:35 UTC Confirmed by the CVE List

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.