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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-98495

net: arp: terminate device name before lookupCVE-2026-98495

Answer in brief

CVE-2026-98495 records a Unknown severity vulnerability in net: arp: terminate device name before lookup. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 18, 2026Updated Oct 19, 2026Source checked Oct 25, 2026First seen by HOL Oct 18, 2026Material review Oct 19, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 25, 2026
References
8 linked sources
Open source record

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <ae6d704dbf9542b0a0830ec91a2db4f30307e7d8 || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <47107491b48ceef0a2faa7a010cfa961f211ef9f || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <7389757d88f54237951d7497d9c4dae7cc6d64be || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <1b08c5c3ac27c9ff91c5309f4a32b4e91ce2263b || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <414bbad9928598904313299ac9e037a73f520be1 || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <ba664d83638640cf454b65167339cbf20dfd6f10 || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <35e716a70733472ede300540082d64c33bf3b4c9 || >=36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc <d8b6529e80bcb4fb8177121404cbb3377acaebd2ae6d704dbf9542b0a0830ec91a2db4f30307e7d8, 47107491b48ceef0a2faa7a010cfa961f211ef9f, 7389757d88f54237951d7497d9c4dae7cc6d64be, 1b08c5c3ac27c9ff91c5309f4a32b4e91ce2263b, 414bbad9928598904313299ac9e037a73f520be1, ba664d83638640cf454b65167339cbf20dfd6f10, 35e716a70733472ede300540082d64c33bf3b4c9, d8b6529e80bcb4fb8177121404cbb3377acaebd2
Linux/Linuxgeneric5.5Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to ae6d704dbf9542b0a0830ec91a2db4f30307e7d8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 18, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.