---
id: CVE-2026-98187
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: p54: require a full exp_if record in PDR_INTERFACE_LIST

  The PDR_INTERFACE_LIST loop only checks that the record start is within
  the entry before reading an entir…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: p54: require a full exp_if record in PDR_INTERFACE_LIST

  The PDR_INTERFACE_LIST loop only checks that the record start is within
  the entry before reading an entir…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    162dbe1c285a621eab6a9f2851086b63a0378928
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    70bf34b425fe549a4f6a8d50a319f8f05d1f91c9
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    487f966421014de41e835bbce3feb30b35f4f729
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    bc83c04be042f53869c315b8e1eb5f124959d1d7
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    d44c1badc2dcb042985f7e37f4c448c84548b81f
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    d2fb6b588dc5bbab4f603661e41cd60f0d931628
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    d82492fd0a3fb61963c236521852763238ad3898
  - >-
    Linux >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d <
    d8efd84f49379ed28624098821f80e992657d935
  - Linux 2.6.24
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T09:18:03.707'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-98187'
references:
  - url: 'https://git.kernel.org/stable/c/162dbe1c285a621eab6a9f2851086b63a0378928'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/487f966421014de41e835bbce3feb30b35f4f729'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/70bf34b425fe549a4f6a8d50a319f8f05d1f91c9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/bc83c04be042f53869c315b8e1eb5f124959d1d7'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d2fb6b588dc5bbab4f603661e41cd60f0d931628'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d44c1badc2dcb042985f7e37f4c448c84548b81f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d82492fd0a3fb61963c236521852763238ad3898'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d8efd84f49379ed28624098821f80e992657d935'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T08:50:17.451Z'
---

## Overview

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

wifi: p54: require a full exp_if record in PDR_INTERFACE_LIST

The PDR_INTERFACE_LIST loop only checks that the record start is within
the entry before reading an entire struct exp_if from it. A truncated
trailing record makes the if_id/variant reads cross the entry boundary
into the heap beyond the EEPROM buffer (verified with a KASAN
reproducer of the loop). The variant also feeds the synth front-end
selection, so this is not only a leak.

Advance only while a full record still fits in the entry.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.