Is there a patch available for EUVD-2026-108673?

Yes, a patch is available for EUVD-2026-108673. Update the affected software to the latest version immediately.

Linux EUVD-2026-108673

| CVE-2026-98879

2026-10-23 Linux

GHSA-q9wc-mgjh-78f8

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:

isofs: handle set_blocksize failures

isofs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the

BUG_ON(offset >= folio_size(folio));

in folio_set_bh on the first __bread_gfp call.

Affected VersionsENISA

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <61f277bf35f533b602984f0e55900111fe52f31a

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <25ef4c4d9f0e96fb89c0ae0d7127c3f12a31bc32

Linux 0 <6.1.189

Linux 0 <5.15.222

Linux patch: 5.10.271

Linux 0 <5.10.271

Linux 0 <6.12.111

Linux patch: 6.18.53

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9c97e3b1152d3092581745189f5d2f04c6404ef9

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <cebde6d88e34396c29f2f001d90e921677cc17d6

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9584ab6283721e5aab485c79bd06c2f78d89e55c

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <28d1f6aa14f5924e36602b7a31c9141d34de0b9c

Linux patch: 7.2

Linux 0 <6.18.53

Linux patch: 6.6.158

Linux 0 <6.6.158

Linux patch: 6.1.189

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <6db7f0ba365786304558db6a3d52013ae176e03e

Linux patch: 5.15.222

Linux patch: 6.12.111

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 - 12:16 EUVD

CVE Published

Oct 23, 2026 - 11:37 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.