CVE-2026-68343

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-68343

Key Details

CVE	CVE-2026-68343
CVSS Score / Version	9.1 (Critical) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H`
CVSS Prose	attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is none; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

smb: client: validate DFS referral PathConsumed

parse_dfs_referrals() validates that the response contains the fixed

referral entry array and, on for-next, the per-referral string offsets.

However, the response also contains a PathConsumed value that is later

used for DFS path parsing.

If a malformed response provides a PathConsumed value larger than the

search name, later DFS parsing can advance beyond the end of the path.

Validate PathConsumed against the search name length before storing it in

the parsed referral. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-68343
CVE	https://www.cve.org/CVERecord?id=CVE-2026-68343

Source

Reference

NVD

CVE