CVE record · CVE-2026-90153

ksmbd: bound smb_check_perm_dacl() ACE walks by DACL size

CVSS 8.1 HighEPSS 0.0052 · 44th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:06 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 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before 930dcdd888eabf166589e020dcbf6d15b5e13305 git affected 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before a2051ffe452afad52f580b85a3fd8851933b1e7c git affected 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before a29f57a14c939586d84d7fd6a029bd1fd170098f git affected 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before a4a307d149327dad5fb25187e1b03cebd1b04de6 git affected 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before 8e4f75e979c1d9a51b0a48ac33d0cfd5f039ec67 git affected 8f0541186e9ad1b62accc9519cc2b7a7240272a7 to before 79decd88dd3f0d42e7fb0689b1a7853bfa302459 git affected cb69d4d6f709f87c94afa28ae64c501576692171 git affected 6e8f4abf584253cbaa596ea4ad13110cf61cd4c9 git affected 8e33102309bd6839b2e2e158f93a7b378cb4655d git affected 5.15.62 to before 5.16 semver affected 5.18.18 to before 5.19 semver affected 5.19.2 to before 5.20 semver Other versions: unaffected
Linux	Linux	affected 6.0 unaffected before 6.0 semver unaffected 6.1.191 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-2026-90153
CNA: Linux
Tags: Linux kernel
Published: 17 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

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

CISA KEV Not listed.
EPSS 0.0052, the 44th percentile, on 13 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 17 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.