Is there a patch available for EUVD-2026-103562?

Yes, a patch is available for EUVD-2026-103562. Update the affected software to the latest version immediately.

Linux EUVD-2026-103562

| CVE-2026-98648

2026-10-18 Linux

GHSA-88ff-f8f3-f4qh

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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.

Patch available

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AnalysisCVE.org

In the Linux kernel, the following vulnerability has been resolved:

s390/uv: Prevent potential out-of-bounds read

When the system has more than 85 secrets, the uv_secret_list struct array only holds up to 85 items per page, resulting in an out of bounds read in find_secret_in_page if the targeted secret is in the next page or not stored at all.

Fix this by looping over the number of stored secrets which is the per sub-list count of stored secrets and not the overall count.

Affected VersionsENISA

Linux 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d <116bba758533a139bbede8d717a1371bd6d890f6

Linux 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d <f47190b08b71e8482072978373ee88cb2dfbdaf4

Linux 6.13

Linux patch: 7.3-rc5

Linux patch: 0

Linux patch: 7.2.9

Linux 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d <04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f

Linux patch: 6.18.55

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 18, 2026 - 16:02 EUVD

CVE Published

Oct 18, 2026 - 15:20 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org

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 N/A

Patch available Yes

Active threat No

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.

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

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.