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CVE record · CVE-2026-89530

svcrdma: Reject inline replies that overflow the pull-up buffer

CVSS 9.8 CriticalCriticalEPSS 0.0049 · 42nd 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 11 Sept 2026, 19:44 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 e248aa7be86e8179f20ac0931774ecd746f3f5bf to before b73011049dbe909f73fd9620d94ef1757d7af2eb git
  • affected e248aa7be86e8179f20ac0931774ecd746f3f5bf to before 8068358f445a11296328ffa7c524701596814a17 git
  • affected e248aa7be86e8179f20ac0931774ecd746f3f5bf to before fcd91b9957462d398792201c239dffaeff1cc8b2 git
  • affected e248aa7be86e8179f20ac0931774ecd746f3f5bf to before 1949dd1576f7a8aa161b1330c6125df9d53046d5 git
  • affected e248aa7be86e8179f20ac0931774ecd746f3f5bf to before 8ec60eb51fae37cd3d334ff26e4a7d6fb21ff7cf git
  • affected e248aa7be86e8179f20ac0931774ecd746f3f5bf to before 0fbe20dfe74b783d255bf389a6ea77aa25dc7860 git
  • affected 9b65b18f817d9ada2bf67351f24bdcce6789a0bb git
  • affected d564356e1919d1178568c19af410cfc1a9076663 git
  • affected 4.19.22 to before 4.20 semver
  • affected 4.20.9 to before 4.21 semver
Other versions: unaffected
Linux Linux
  • affected 5.0
  • unaffected before 5.0 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.109 to 6.12.*, inclusive semver
  • unaffected 6.18.50 to 6.18.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89530
CNA
Linux
Tags
Published
11 Sept 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

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 0.0049, the 42nd percentile, on 14 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 11 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.