CVE record · CVE-2026-89777

vfio/pci: clear vdev->msi_perm after freeing it on init failure

CVSS 8.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 08:48 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 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before eb84cd81040e58dd05ac190f561f2115e3367249 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before f0eea8f9013676b42289ec35941e848b8a543e19 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before d665a1688af7f8fefd7c0eb04f2a37122ce007f4 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before 25cdd2a492d868cff1e519a60fe282909c52d385 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before 812f1db7f0755a19ef16ecdc5cec51bcabc5eda5 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before 533d0c5feef85ee6404b9f41d5564fac6971a008 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before fda8fb7e8179561693a786a7af593f6b944a21c1 git affected 30ea32ab1951c80c6113f300fce2c70cd12659e4 to before dc77acfeb979dded39b247b60fef0399536bfa77 git affected ac370e3d1f3b01519d2705cd5815d1c9d0a8812b git affected be363e27ec3c3a99793da2be6c07eafb95709c6b git affected f1b10ba5739440ca51d66f0b2949cead88d2dd02 git affected dde3433de9a067a33d67d65b9093cad3e043e49e git and 4 more Other versions: unaffected
Linux	Linux	affected 4.20 unaffected before 4.20 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-2026-89777
CNA: Linux
Tags: Linux kernel
Published: 16 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

Score	Rating	CVSS	Vector	Source
8.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0016, the 5th 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 16 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.