CVE-2025-23129: fallo en Linux
wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path
Publicada el · Actualizada el
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 92% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: Clear affinity hint before calling ath11k_pcic_free_irq() in error path
If a shared IRQ is used by the driver due to platform limitation, then the
IRQ affinity hint is set right after the allocation of IRQ vectors in
ath11k_pci_alloc_msi(). This does no harm unless one of the functions
requesting the IRQ fails and attempt to free the IRQ. This results in the
below warning:
WARNING: CPU: 7 PID: 349 at kernel/irq/manage.c:1929 free_irq+0x278/0x29c
Call trace:
free_irq+0x278/0x29c
ath11k_pcic_free_irq+0x70/0x10c [ath11k]
ath11k_pci_probe+0x800/0x820 [ath11k_pci]
local_pci_probe+0x40/0xbc
The warning is due to not clearing the affinity hint before freeing the
IRQs.
So to fix this issue, clear the IRQ affinity hint before calling
ath11k_pcic_free_irq() in the error path. The affinity will be cleared once
again further down the error path due to code organization, but that does
no harm.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-05266-QCAHSTSWPLZ_V2_TO_X86-1
Productos afectados
Linux · LinuxCVEs relacionadas — Linux
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Referencias
https://git.kernel.org/stable/c/3fc42cfcc6e336f25dee79b34e57c4a63cd652a5https://git.kernel.org/stable/c/68410c5bd381a81bcc92b808e7dc4e6b9ed25d11https://git.kernel.org/stable/c/7493b9baf0e54b44caae46715aaa409a84bd9f4bhttps://git.kernel.org/stable/c/80dc5a2ce5b75d648e08549617f5c555d07ae43chttps://git.kernel.org/stable/c/8d0519f511d93d675f61d6bfb45ffcc945af4b14