CVE record · CVE-2026-89792

ksmbd: prevent out-of-bounds reads in share config responses

CVSS 7.1 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 08:50 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 88b7f1143b15b29cccb8392b4f38e75b7bb3e300 to before df8aa4a09733c4d3974b1db32c1782b3aad3a151 git affected 51a6c2af9d20203ddeeaf73314ba8854b38d01bd to before 0127f1c119bde40578f4d25f5d17333b4e75de8c git affected a637fabac554270a851033f5ab402ecb90bc479c to before fd636a87161def6e35876ab7943641ce457974c8 git affected a677ebd8ca2f2632ccdecbad7b87641274e15aac to before ffa507f5f774cb4d45136b106989ebc051361263 git affected a677ebd8ca2f2632ccdecbad7b87641274e15aac to before cd2bcee450bc94770be56c0b896c1a1dc6838bd8 git affected a677ebd8ca2f2632ccdecbad7b87641274e15aac to before 61a8d06600c8c397f9a7e01940479d4c94a82f5f git affected a677ebd8ca2f2632ccdecbad7b87641274e15aac to before f25e93768fcc5d8287e50b1ec52a42e4c276df34 git affected 76af689a45aa44714b46d1a7de4ffdf851ded896 git affected 5.15.157 to before 5.15.222 semver affected 6.1.85 to before 6.1.189 semver affected 6.6.26 to before 6.6.158 semver affected 6.8.5 to before 6.9 semver Other versions: unaffected
Linux	Linux	affected 6.9 unaffected before 6.9 semver unaffected 5.15.222 to 5.15., inclusive semver unaffected 6.1.189 to 6.1., inclusive semver unaffected 6.6.158 to 6.6., inclusive semver unaffected 6.12.111 to 6.12., inclusive semver unaffected 6.18.53 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-2026-89792
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
7.1	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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.