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CVE-2026-46092 In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence…

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence pci_upstream_bridge() returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash. This has probably been unnoticed as 8821CE is mostly supplied in laptops where there is a PCI-to-PCI bridge located upstream from the device. However the card might be installed on a system with different configuration. Check if the bridge does exist for the specific workaround to be applied. Found by Linux Verification Center (linuxtesting.org) with Svace static analysis tool.

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 7.1 premières → < 7.1 7.1
Linux 7.0 premières → < 7.0.4 7.0.4
Linux 6.18 premières → < 6.18.27 6.18.27
Linux 6.12 premières → < 6.12.86 6.12.86
Linux 6.6 premières → < 6.6.140 6.6.140
Linux 6.1 premières → < 6.1.175 6.1.175
Linux 5.17 Pas de correctif indiqué
Linux 5.15 premières → < 5.15.210 5.15.210
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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