Executive Summary



This vulnerability is currently undergoing analysis and not all information is available. Please check back soon to view the completed vulnerability summary
Informations
Name CVE-2022-50179 First vendor Publication 2025-06-18
Vendor Cve Last vendor Modification 2025-06-18

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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]

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-50179

Sources (Detail)

https://git.kernel.org/stable/c/03ca957c5f7b55660957eda20b5db4110319ac7a
https://git.kernel.org/stable/c/0ac4827f78c7ffe8eef074bc010e7e34bc22f533
https://git.kernel.org/stable/c/62bc1ea5c7401d77eaf73d0c6a15f3d2e742856e
https://git.kernel.org/stable/c/6b14ab47937ba441e75e8dbb9fbfc9c55efa41c6
https://git.kernel.org/stable/c/ab7a0ddf5f1cdec63cb21840369873806fc36d80
https://git.kernel.org/stable/c/b66ebac40f64336ae2d053883bee85261060bd27
https://git.kernel.org/stable/c/e9e21206b8ea62220b486310c61277e7ebfe7cec
https://git.kernel.org/stable/c/eccd7c3e2596b574241a7670b5b53f5322f470e5
Source Url

Alert History

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0
Date Informations
2025-06-18 17:20:33
  • First insertion