CVE-2026-43102

Service interruption via receive-path page leak

Published May 6, 2026 · Updated May 6, 2026

Memory leak in the Airoha Ethernet driver in Linux Kernel allows local users to interrupt service through receive-path errors. In airoha_qdma_rx_process(), an error on a later non-linear skb buffer leaves its page-pool fragment unlinked from the skb and skips returning the page to the pool. Exploitation requires local access and an affected Airoha receive path; repeated errors consume kernel memory and can interrupt availability without reading or modifying data.

CVSS severity5.5
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory leak in the Airoha Ethernet driver in Linux Kernel allows local users to interrupt service through receive-path errors. In airoha_qdma_rx_process(), an error on a later non-linear skb buffer leaves its page-pool fragment unlinked from the skb and skips returning the page to the pool. Exploitation requires local access and an affected Airoha receive path; repeated errors consume kernel memory and can interrupt availability without reading or modifying data.

The record

CVE
CVE-2026-43102
Published
May 6, 2026
Updated
May 6, 2026
Vendor
The Linux Kernel Organization
Product
Linux Kernel
Classifications
CWE-401, T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 6, 2026CVE publishedPublication date reported by the CVE source.
  2. May 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.15
  2. Affected versionversion=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <285fa6b1e03cff78ead0383e1b259c44b95faf90
  3. Affected versionversion=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <4429b761874fb9c7767d12d98913a467ef2654f1
  4. Affected versionversion=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <7ee0063fbab8aea8f4e4e3165f541bf898b77b80

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linux Kernelversion=6.15; version=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <285fa6b1e03cff78ead0383e1b259c44b95faf90; version=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <4429b761874fb9c7767d12d98913a467ef2654f1; version=d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc <7ee0063fbab8aea8f4e4e3165f541bf898b77b80

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-401Missing Release of Memory after Effective Lifetime
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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