Is there a patch available for CVE-2026-98909?

Yes, a patch is available for CVE-2026-98909. Update the affected software to the latest version immediately.

Linux CVE-2026-98909

EUVD-2026-108865

2026-10-23 Linux

GHSA-7h76-g88g-x9j7

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:

net: cpsw_new: unregister devlink on port registration failure

cpsw_probe() registers devlink before registering the CPSW ports.

If cpsw_register_ports() fails, the error path only unregisters the notifiers and then releases the lower level resources. It does not undo the successful cpsw_register_devlink() call, leaving the devlink instance and its parameters registered after probe has failed.

Add a devlink cleanup label for the path where devlink registration has already succeeded, and use it when port registration fails.

Affected VersionsENISA

Linux patch: 6.1.189

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2bcf21ede6b097ca96cb1f7679761acca6510555

Linux patch: 5.10.271

Linux patch: 5.15.222

Linux patch: 6.12.111

Linux 0 <5.15.222

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b020390b4ef39adc40c800301042baf812280da1

Linux patch: 7.2

Linux 0 <6.18.53

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <43d4af5c5331ea739a49cb1097d41e502ed91ec4

Linux 0 <6.1.189

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8af61d5bd87fd1a3bdc81fe948e7acdc8aa5bcf0

Linux patch: 6.18.53

Linux 0 <5.10.271

Linux 0 <6.12.111

Linux 0 <6.6.158

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <0a44945b0d3422f5d81b49c97e293f3e21a8c585

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <5a5ac0defdd42e566f1c871272370b6a3a8eef5c

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b64f763b607426ac97e44b114f0b8844ac3b86dd

Linux patch: 6.6.158

Affected Packages

euvd linux fix: 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Lifecycle Timeline

Patch available

Oct 23, 2026 - 13:17 EUVD

CVE Published

Oct 23, 2026 - 11:54 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 89% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

CVE.org

EPSS 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.