---
id: CVE-2026-23023
title: 'idpf: fix memory leak in idpf_vport_rel()'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  idpf: fix memory leak in idpf_vport_rel()

  Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory
  during a reset. Reported by kmemleak:

  unreferenced obj…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 <
    a4212d6732e3f674c6cc7d0b642f276d827e8f94
  - >-
    Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 <
    ec602a2a4071eb956d656ba968c58fee09f0622d
  - >-
    Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 <
    f6242b354605faff263ca45882b148200915a3f6
  - Linux 6.7
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T21:18:42.265548Z'
published: '2026-01-31'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T21:23:15.803Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-23023'
references:
  - url: 'https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94'
  - url: 'https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d'
  - url: 'https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6'
tags:
  - cve.org
epss: 0.00176
epssPercentile: 0.07189
ingestedAt: '2026-11-05T22:38:32.067Z'
---

## Overview

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

idpf: fix memory leak in idpf_vport_rel()

Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory
during a reset. Reported by kmemleak:

unreferenced object 0xff450acac838a000 (size 4096):
  comm "kworker/u258:5", pid 7732, jiffies 4296830044
  hex dump (first 32 bytes):
    00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00  ................
  backtrace (crc 3da81902):
    __kmalloc_cache_noprof+0x469/0x7a0
    idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]
    idpf_init_task+0x1ec/0x8d0 [idpf]
    process_one_work+0x226/0x6d0
    worker_thread+0x19e/0x340
    kthread+0x10f/0x250
    ret_from_fork+0x251/0x2b0
    ret_from_fork_asm+0x1a/0x30

## Affected

- `Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < a4212d6732e3f674c6cc7d0b642f276d827e8f94`
- `Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < ec602a2a4071eb956d656ba968c58fee09f0622d`
- `Linux >= 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < f6242b354605faff263ca45882b148200915a3f6`
- `Linux 6.7`

## Remediation

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