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CVE-2026-23258

net: liquidio: Initialize netdev pointer before queue setup

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

net: liquidio: Initialize netdev pointer before queue setup

In setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq().
However, the pointer to this structure is stored in oct->props[i].netdev
only after the calls to netif_set_real_num_rx_queues() and
netif_set_real_num_tx_queues().

If either of these functions fails, setup_nic_devices() returns an error
without freeing the allocated netdev. Since oct->props[i].netdev is still
NULL at this point, the cleanup function liquidio_destroy_nic_device()
will fail to find and free the netdev, resulting in a memory leak.

Fix this by initializing oct->props[i].netdev before calling the queue
setup functions. This ensures that the netdev is properly accessible for
cleanup in case of errors.

Compile tested only. Issue found using a prototype static analysis tool
and code review.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
Produkt Linux
Default Statusunaffected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < be109646cdaecab262f6276303b1763468c94378
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < c81a8515fb8c8fb5d0dbc21f48337494bf1d60df
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < c0ed6c77ec34050971fd0df2a94dfdea66d09331
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < 1d4590fde856cb94bd9a46e795c29d8288c238fc
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < d028147ae06407cb355245db1774793600670169
Status affected
Version c33c997346c34ea7b89aec99524ad9632a2f1e0c
Version < 926ede0c85e1e57c97d64d9612455267d597bb2c
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 4.18
Status affected
Version 0
Version < 4.18
Status unaffected
Version <= 5.10.*
Version 5.10.250
Status unaffected
Version <= 5.15.*
Version 5.15.200
Status unaffected
Version <= 6.1.*
Version 6.1.163
Status unaffected
Version <= 6.6.*
Version 6.6.124
Status unaffected
Version <= 6.12.*
Version 6.12.70
Status unaffected
Version <= 6.18.*
Version 6.18.10
Status unaffected
Version <= *
Version 6.19
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.04% 0.102
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
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