Is there a patch available for CVE-2026-98227?

Yes, a patch is available for CVE-2026-98227. Update the affected software to the latest version immediately.

Linux CVE-2026-98227

EUVD-2026-93155

2026-10-06 Linux

GHSA-4xvx-jjq9-8pfx

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:

memstick: ms_block: destroy io_queue workqueue on removal

msb_init_disk() creates the per-card ordered workqueue msb->io_queue with alloc_ordered_workqueue(). It is torn down with destroy_workqueue() only on the init error path; msb_remove() never destroys it. msb_stop() merely flushes the queue, and neither msb_data_clear() nor put_disk() free it. As a result every card insert/remove cycle leaks the workqueue and its kworker, exhausting kernel memory over repeated cycles.

Destroy the workqueue in msb_remove() after the disk has been removed and the queue drained.

Affected VersionsENISA

Linux patch: 7.2.8

Linux patch: 7.3-rc4

Linux patch: 6.6.158

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <19c3da6621a253f1f8b937ed91bc22330a930d9c

Linux 3.12

Linux patch: 6.18.54

Linux patch: 6.1.189

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <0ff795163f37109a134b5a421558530f8d091544

Linux patch: 6.12.112

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <9a2e7cdc0880e735aff0968ee402f2c92a992b9b

Linux patch: 0

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <6611f78ec3fd4b33a00bfda20725b254a22979f6

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <90af7fde083e1b22c349c3a8b1626728e44e474c

Linux 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 <f222bb8c30cf5699c560b29179ff2bddcac1f950

Affected Packages

euvd linux no fix

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 06, 2026 - 10:02 EUVD

CVE Published

Oct 06, 2026 - 08:45 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 93% exploitable

Data Quality

3 sources

Confidence: Low

EUVD

CVE.org

EPSS MSRC

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.