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Linux EUVDEUVD-2026-103735

| CVE-2026-98495
2026-10-18 Linux GHSA-qjmq-cw92-j553
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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:

net: arp: terminate device name before lookup

The ARP ioctl copies a user-provided struct arpreq into a stack object. Its arp_dev field may contain IFNAMSIZ bytes without a NUL terminator.

Such input is passed to dev_get_by_name_rcu() or __dev_get_by_name(), where strcmp() can read past the end of the stack object when a matching alternative interface name exists.

Terminate the field before the lookup to prevent the out-of-bounds read.

Affected VersionsENISA

Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <1b08c5c3ac27c9ff91c5309f4a32b4e91ce2263b
Linux patch: 7.2.9
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <ae6d704dbf9542b0a0830ec91a2db4f30307e7d8
Linux patch: 6.18.55
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <35e716a70733472ede300540082d64c33bf3b4c9
Linux patch: 0
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <414bbad9928598904313299ac9e037a73f520be1
Linux patch: 7.3-rc5
Linux patch: 6.1.189
Linux patch: 6.6.158
Linux 5.5
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <7389757d88f54237951d7497d9c4dae7cc6d64be
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <ba664d83638640cf454b65167339cbf20dfd6f10
Linux patch: 5.15.222
Linux patch: 5.10.271
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <d8b6529e80bcb4fb8177121404cbb3377acaebd2
Linux 36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <47107491b48ceef0a2faa7a010cfa961f211ef9f
Linux patch: 6.12.112

Affected Packages

euvd linux no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Lifecycle Timeline

2
Patch available
Oct 18, 2026 - 16:02 EUVD
CVE Published
Oct 18, 2026 - 15:16 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

Data Quality
1 sources
Confidence: Low

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

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.

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