Is there a patch available for EUVD-2026-103571?

Yes, a patch is available for EUVD-2026-103571. Update the affected software to the latest version immediately.

Linux EUVD-2026-103571

| CVE-2026-98526

2026-10-18 Linux

GHSA-cxpq-4fh3-6276

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:

llc: reserve device headroom for allocated frames

llc_alloc_frame() reserves link-layer headroom using the device type. This is insufficient for stacked Ethernet devices such as VLAN devices, where vlan_dev_hard_header() pushes a VLAN header before the lower device's Ethernet header. An LLC response on such a device can therefore underflow skb headroom in eth_header().

Use LL_RESERVED_SPACE() to account for the device's actual required headroom while preserving the existing LLC device-type check.

Affected VersionsENISA

Linux patch: 7.3-rc5

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <72b5b9a28b996e09b8b5b944370c79851bb68f52

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <e06f8b6e27cc616d3c587e9784c4a033eb310a16

Linux patch: 6.1.189

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <018020f5a48cc86fdd6dc2d380f6c70443ae7639

Linux patch: 6.6.158

Linux patch: 0

Linux patch: 6.18.55

Linux 2.6.34

Linux patch: 5.15.222

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <1937222c2511ac91377d39f28106c34734f5f8c6

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <16ceac2daa89dd16917bc488ab05b9dd6961a603

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <7c38524b2b2456bd33cb360420da6cbf9cad1b33

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <3361c93e417384ebf28003e0fb6d5304653d3b05

Linux patch: 5.10.271

Linux patch: 6.12.112

Linux bf9ae5386bca8836c16e69ab8fdbe46767d7452a <3a3f57c4061d9e9cc3bc04205d36ce41ae3406c1

Linux patch: 7.2.9

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 - 15:17 cve.org

UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score

0.2%

Top 88% 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.