Is there a patch available for EUVD-2026-86658?

Yes, a patch is available for EUVD-2026-86658. Update the affected software to the latest version immediately.

Linux EUVD-2026-86658

| CVE-2026-98005

2026-09-25 Linux

GHSA-cmc8-g72c-8f33

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Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives. 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:

erofs: delimit inode_share cache key components

Previously, inode_share keys were encoded as follows:

fingerprint || domain_id

It would be better to have a separator between the fingerprint and domain ID so that the fingerprint won't be parsed as part of a domain ID.

Change the key encoding as follows:

domain_id || '\0' || fingerprint

Since domain_id is a NUL-terminated string, this makes the in-memory key indices unambiguous.

Affected VersionsENISA

Linux patch: 7.3-rc3

Linux patch: 0

Linux e0bf7d1c074dc4252223ae897560345ccc24100d <96bf9831fbf423b8104f7948cd8fe7007ecfb46c

Linux patch: 7.2.7

Linux 7.0

Linux e0bf7d1c074dc4252223ae897560345ccc24100d <16322a67336cfeea0af4b05206ef8d0e0eda55bb

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

Sep 25, 2026 - 11:02 EUVD

CVE Published

Sep 25, 2026 - 10:23 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 96% exploitable

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org

EPSS

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.