linux — security advisory
In the Linux kernel, the following vulnerability has been resolved: ath9k: fix use-after-free in ath9k_hif_usb_rx_cb Syzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The problem was in incorrect htc_handle->drv_priv initialization. Probable call trace which can trigger use-after-free: ath9k_htc_probe_device() /* htc_handle->drv_priv = priv; */ ath9k_htc_wait_for_target() <--- Failed ieee80211_free_hw() <--- priv pointer is freed ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() <--- htc_handle->drv_priv access In order to not add fancy protection for drv_priv we can move htc_handle->drv_priv initialization at the end of the ath9k_htc_probe_device() and add helper macro to make all *_STAT_* macros NULL safe, since syzbot has reported related NULL deref in that macros [1]
- Products
- linux
- Affected versions
- Not specified
- Fixed versions
- 6.0.2-1
- CVEs
- CVE-2022-50179
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:48 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: ath9k: fix use-after-free in ath9k_hif_usb_rx_cb Syzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The problem was in incorrect htc_handle->drv_priv initialization. Probable call trace which can trigger use-after-free: ath9k_htc_probe_device() /* htc_handle->drv_priv = priv; */ ath9k_htc_wait_for_target() <--- Failed ieee80211_free_hw() <--- priv pointer is freed ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() <--- htc_handle->drv_priv access In order to not add fancy protection for drv_priv we can move htc_handle->drv_priv initialization at the end of the ath9k_htc_probe_device() and add helper macro to make all *_STAT_* macros NULL safe, since syzbot has reported related NULL deref in that macros [1]
osv:DEBIAN-CVE-2022-50179
linux
Fixed versions: 6.0.2-1
linux
Fixed versions: 6.0.2-1
linux
Fixed versions: 6.0.2-1
Complete source record
{
"id": "84316665011ba4abbed220ef9af98a8330f63606af2b3d0e5fde188c2fc038d9",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-50179",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-50179",
"summary": "In the Linux kernel, the following vulnerability has been resolved: ath9k: fix use-after-free in ath9k_hif_usb_rx_cb Syzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The problem was in incorrect htc_handle->drv_priv initialization. Probable call trace which can trigger use-after-free: ath9k_htc_probe_device() /* htc_handle->drv_priv = priv; */ ath9k_htc_wait_for_target() <--- Failed ieee80211_free_hw() <--- priv pointer is freed ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() <--- htc_handle->drv_priv access In order to not add fancy protection for drv_priv we can move htc_handle->drv_priv initialization at the end of the ath9k_htc_probe_device() and add helper macro to make all *_STAT_* macros NULL safe, since syzbot has reported related NULL deref in that macros [1]",
"evidence": "osv:DEBIAN-CVE-2022-50179",
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"aliases": [
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"metrics": [
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],
"modified": "2026-10-15T08:03:17.571523417Z",
"provider": "osv",
"upstream": [
"CVE-2022-50179"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-50179"
]
},
"related_cves": [
{
"value": "CVE-2022-50179",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 326122,
"published_at": "2025-06-18T11:15:48.33+00:00"
}