CVE-2022-50179 (GCVE-0-2022-50179)
Vulnerability from cvelistv5 – Published: 2025-06-18 11:03 – Updated: 2026-05-11 19:14
VLAI
EPSS
VEX
Title
ath9k: fix use-after-free in ath9k_hif_usb_rx_cb
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
<IRQ>
...
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]
Severity
7.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
fb9987d0f748c983bb795a86f47522313f701a08 , < 62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e
(git)
Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < ab7a0ddf5f1cdec63cb21840369873806fc36d80 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < e9e21206b8ea62220b486310c61277e7ebfe7cec (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < eccd7c3e2596b574241a7670b5b53f5322f470e5 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 03ca957c5f7b55660957eda20b5db4110319ac7a (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < b66ebac40f64336ae2d053883bee85261060bd27 (git) Affected: fb9987d0f748c983bb795a86f47522313f701a08 , < 0ac4827f78c7ffe8eef074bc010e7e34bc22f533 (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.35
Unaffected: 0 , < 2.6.35 (semver) Unaffected: 4.14.291 , ≤ 4.14.* (semver) Unaffected: 4.19.256 , ≤ 4.19.* (semver) Unaffected: 5.4.211 , ≤ 5.4.* (semver) Unaffected: 5.10.137 , ≤ 5.10.* (semver) Unaffected: 5.15.61 , ≤ 5.15.* (semver) Unaffected: 5.18.18 , ≤ 5.18.* (semver) Unaffected: 5.19.2 , ≤ 5.19.* (semver) Unaffected: 6.0 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nath9k: fix use-after-free in ath9k_hif_usb_rx_cb\n\nSyzbot reported use-after-free Read in ath9k_hif_usb_rx_cb() [0]. The\nproblem was in incorrect htc_handle-\u003edrv_priv initialization.\n\nProbable call trace which can trigger use-after-free:\n\nath9k_htc_probe_device()\n /* htc_handle-\u003edrv_priv = priv; */\n ath9k_htc_wait_for_target() \u003c--- Failed\n ieee80211_free_hw()\t\t \u003c--- priv pointer is freed\n\n\u003cIRQ\u003e\n...\nath9k_hif_usb_rx_cb()\n ath9k_hif_usb_rx_stream()\n RX_STAT_INC()\t\t\u003c--- htc_handle-\u003edrv_priv access\n\nIn order to not add fancy protection for drv_priv we can move\nhtc_handle-\u003edrv_priv initialization at the end of the\nath9k_htc_probe_device() and add helper macro to make\nall *_STAT_* macros NULL safe, since syzbot has reported related NULL\nderef in that macros [1]"
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"url": "https://git.kernel.org/stable/c/0ac4827f78c7ffe8eef074bc010e7e34bc22f533"
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The\\nproblem was in incorrect htc_handle-\u003edrv_priv initialization.\\n\\nProbable call trace which can trigger use-after-free:\\n\\nath9k_htc_probe_device()\\n /* htc_handle-\u003edrv_priv = priv; */\\n ath9k_htc_wait_for_target() \u003c--- Failed\\n ieee80211_free_hw()\\t\\t \u003c--- priv pointer is freed\\n\\n\u003cIRQ\u003e\\n...\\nath9k_hif_usb_rx_cb()\\n ath9k_hif_usb_rx_stream()\\n RX_STAT_INC()\\t\\t\u003c--- htc_handle-\u003edrv_priv access\\n\\nIn order to not add fancy protection for drv_priv we can move\\nhtc_handle-\u003edrv_priv initialization at the end of the\\nath9k_htc_probe_device() and add helper macro to make\\nall *_STAT_* macros NULL safe, since syzbot has reported related NULL\\nderef in that macros [1]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ath9k: correcci\u00f3n del Use-After-Free en ath9k_hif_usb_rx_cb. Syzbot report\u00f3 una lectura de Use-After-Free en ath9k_hif_usb_rx_cb() [0]. El problema resid\u00eda en una inicializaci\u00f3n incorrecta de htc_handle-\u0026gt;drv_priv. Posible rastreo de llamadas que puede activar el Use-After-Free: ath9k_htc_probe_device() /* htc_handle-\u0026gt;drv_priv = priv; */ ath9k_htc_wait_for_target() \u0026lt;--- Error en ieee80211_free_hw() \u0026lt;--- el puntero privado se liber\u00f3 ... ath9k_hif_usb_rx_cb() ath9k_hif_usb_rx_stream() RX_STAT_INC() \u0026lt;--- acceso a htc_handle-\u0026gt;drv_priv Para no agregar protecci\u00f3n sofisticada para drv_priv, podemos mover la inicializaci\u00f3n de htc_handle-\u0026gt;drv_priv al final de ath9k_htc_probe_device() y agregar una macro auxiliar para hacer que todas las macros *_STAT_* sean seguras para NULL, ya que syzbot inform\u00f3 una desreferencia NULL relacionada en esas macros 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-29T21:40:41+00:00",
"cve": "CVE-2022-50179",
"id": "CVE-2022-50179",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:fixed": "295",
"product_status:known_affected": "112",
"product_status:known_not_affected": "76",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: ath9k: fix use-after-free in ath9k_hif_usb_rx_cb",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50179.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T16:51:40Z",
"cve": "CVE-2022-50179",
"id": "CVE-2022-50179",
"initial_release_date": "2025-06-19T03:39:44Z",
"product_status:known_not_affected": "326",
"product_status:recommended": "294",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-50179",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50179.json",
"version": "47"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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