Is there a patch available for CVE-2026-98172?

Yes, a patch is available for CVE-2026-98172. Update the affected software to the latest version immediately.

Linux CVE-2026-98172

EUVD-2026-93100

2026-10-06 Linux

GHSA-h5hv-w97x-4565

Information Disclosure Linux

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Monitor Track and reassess. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).

Patch available 0.2% exploitation probability (EPSS)

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AnalysisCVE.org

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

smb: client: fix smbd_connection leak on cifs_get_tcp_session() error

When an RDMA connection is successfully established via smbd_get_connection() but cifs_get_tcp_session() later fails (e.g. kthread_create() returns an error), the error path frees tcp_ses without first destroying the smbd_connection.

Fix this by calling smbd_destroy() in the out_err cleanup path before kfree(tcp_ses). smbd_destroy() safely handles the case where smbd_conn is NULL, so it can be called unconditionally.

Affected VersionsENISA

Linux patch: 0

Linux 4.16

Linux patch: 6.1.189

Linux patch: 6.6.158

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <b26a3fcf2f1c2cadba400290b639f01395db8fc8

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <e75c96157d45e498970158c8f7373d90102e33b9

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <5c908e49d349266dff0c86dda6a05df0ff19b824

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <928edc4bd6a617caabeb575fc13c254d9df623c4

Linux patch: 6.18.54

Linux patch: 7.2.8

Linux patch: 6.12.112

Linux patch: 7.3-rc4

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <3164402c58940ff58a3cecdb026405f07b0253af

Linux 2f8946464b11822169b9f10c7cf58a2440b51d54 <e3344bb0ff5ec8a276f42239e140f5442841ef23

Affected Packages

euvd linux no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Lifecycle Timeline

Patch available

Oct 06, 2026 - 10:02 EUVD

CVE Published

Oct 06, 2026 - 08:44 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 89% exploitable

Threat Intel

1 sources

Data Quality

4 sources

Confidence: Medium

EUVD

CVE.org

EPSS NEWS MSRC

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity Not scored yet

CISA KEV No

Public POC No

EPSS 0.2%

Patch available Yes

Active threat No

Deciding rule

No CVSS yet + weak signal (CWE or non-zero EPSS)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.