PT-2026-121908
CVE-2026-98936
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Publicado
2026-10-23
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Atualizado
2026-10-23
Descrição por
Pontuação
N/A
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In the Linux kernel, the following vulnerability has been resolved:
wifi: ath11k: reset ar->num stations on hardware start
When (multiple) hw restart occurs, we end up in a situation where we
cannot accept new stations / mesh peers. This seems to be the
'num stations' in 'struct ath11k' that did not get reset properly in
this case. In ath11k mac op start(), it was indeed the only accounting var
that did not get reset so let's clear it too.
This avoids problems like those:
[1248828.088023] WARNING: CPU: 0 PID: 12281 at net/mac80211/util.c:1682 ieee80211 reconfig stations+0x98/0xc0
[1248828.088115] Call trace:
[1248828.088116] ieee80211 reconfig stations+0x98/0xc0 (P)
[1248828.088119] ieee80211 reconfig+0x774/0x1438
[1248828.088123] ieee80211 restart work+0x10c/0x178
[1248828.088127] process one work+0x178/0x3c0
[1248828.088130] worker thread+0x280/0x440
[1248828.088133] kthread+0xe0/0xf8
[1248828.088137] ret from fork+0x10/0x20
[1248828.088141] ---[ end trace 0000000000000000 ]---
[1248836.686604] ath11k pci 0000:04:00.0: refusing to associate station: too many connected already (128)
[1248836.686609] ath11k pci 0000:04:00.0: Failed to add station: xx:xx:xx:xx:xx:xx for VDEV: 1Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.9.0.1-01977-QCAHKSWPL SILICONZ-1
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