CVE-2026-68327
Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
10/08/2026
Última modificación:
10/08/2026
Descripción
*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
wan: wanxl: Only reset hardware after BAR mapping<br />
<br />
wanxl_pci_init_one() stores the freshly allocated card in driver data<br />
before the PLX BAR is mapped. Several early probe failures then unwind<br />
through wanxl_pci_remove_one(), including failure to allocate the coherent<br />
status area or to restore the DMA mask.<br />
<br />
wanxl_pci_remove_one() unconditionally calls wanxl_reset(), and<br />
wanxl_reset() dereferences card->plx. On those early failures card->plx<br />
is still NULL, so the error path can dereference a NULL MMIO pointer.<br />
<br />
Only issue the hardware reset once the BAR mapping exists. The remaining<br />
cleanup in wanxl_pci_remove_one() already checks whether later resources<br />
were allocated.<br />
<br />
This issue was found by a static analysis checker and confirmed by<br />
manual source review.
Impacto
Referencias a soluciones, herramientas e información
- https://git.kernel.org/stable/c/2fe22d58b3797d741570f9873b26653fd511576c
- https://git.kernel.org/stable/c/59cbe6cfa0fa23c192351cc284e30707309f6741
- https://git.kernel.org/stable/c/91957b89da995607cb654b1f9a3c126ddbaee10f
- https://git.kernel.org/stable/c/b9e2ff70e96acf83693b27987e0390bad9f83efa
- https://git.kernel.org/stable/c/f4834132773f15ffb255127499c8443947fa7d0f



