Is there a patch available for EUVD-2026-86710?

Yes, a patch is available for EUVD-2026-86710. Update the affected software to the latest version immediately.

Linux EUVD-2026-86710

| CVE-2026-98057

2026-09-25 Linux

GHSA-rx4w-f847-mv59

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:

ring-buffer: Add checking nr_subbufs to persistent ring buffer validation

Sashiko reported that the code was using meta->nr_subbufs without making sure that it matched the nr_pages + 1 on data that was assuming the two were the same.

Add a check to the persistent ring buffer validation code to make sure that the saved nr_subbufs matches what we expect.

Affected VersionsENISA

Linux f5b95f1fa2ef3a03f49eeec658ba97e721412b32 <6c001a62c34f13fe1c6a24304c289b387d9e697d

Linux patch: 0

Linux 6.12.16 <6.12.111

Linux f5b95f1fa2ef3a03f49eeec658ba97e721412b32 <69d502457e3f76142f7fcf6e2625e80e0ce8a60f

Linux patch: 7.2.7

Linux patch: 6.12.111

Linux 0d547a6f5e8fad26ebc12f501d7d19fccdbad6bf

Linux 6.13.4 <6.14

Linux 6.14

Linux patch: 7.3-rc2

Linux 3ec743d558f111d8999aea24577ba66c65ee2eeb <f0467190e6a9fc61e343c8064ef16aad513788c3

Affected Packages

euvd linux fix: 6.12.111, 6.14

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 - 10:24 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 95% 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.