Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size Before checking the action code, make sure that it actually exists in the frame...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Check whether a station exists first in the client probe. When probing a client, first check whether a station exists, and then check the channel context. Otherwise, a warning can easily be triggered by probing wh...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k: Fixed an UAF Use-after-Free in ath12kcoreinit. When the execution of ath12kcoreHWGroupAssign or ath12kcoreHWGroupCreate fails, the registered notifier chain is not properly unregistered. Its memory is freed after...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: plfxlc – a potential memory leak has been fixed in lfxusbenablerx. urbs does not get freed during exception paths in lfxusbenablerx, which could lead to a memory leak. To fix this issue, add a call to kfree for urbs within...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: Fixed a use-after-free in the chanctx code. In ieee80211vifusereservedcontext, when there’s an old context and the replacestate of the new context is set to IEEE80211CHANCTXREPLACENONE, the old context is freed in...

Astra Linux – Vulnerability in Linux

The 802.11 standard that underpins Wi-Fi Protected Access WPA, WPA2, and WPA3 and Wired Equivalent Privacy WEP does not require that the A-MSDU flag in the plaintext QoS header field be authenticated. Against devices that support receiving non-SSP A-MSDU frames which is mandatory as part of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Avoid referencing uninitialized memory in ath9kwmictrlrx. For the same reasons described in commit b383e8abed41 “Wifi: ath9k – Avoid uninitialized memory reading in ath9khtcrxmsg”, ath9khtcrxmsg should validate the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: wilc1000: Prevent use-after-free in wilcnetdevcleanup when cleaning up all interfaces. wilcnetdevcleanup currently triggers a KASAN warning. This can be observed during the interface registration process, or by simply...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: mlme: Fixed the issue where a null pointer dereference occurred when association with an AP without a link 0 failed. If the association with an AP without a link 0 fails, we may crash during tracing. This occurs...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments, even though some of them were sent in plain text. This vulnerability can be exploited to inject packets and/or exfiltrate selected fragments when another device sends...

Astra Linux – Vulnerability in Linux-Firmware

Improper input validation in some IntelR PROSet/Wireless WiFi and KillerTM WiFi software may allow an unauthenticated user to potentially enable denial of service via adjacent access...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: RSI: Do not configure WoWlan in the shutdown hook if it is not enabled. If WoWlan was never configured during the operation of the system, hw-wiphy-wowlanconfig will be NULL. The rsiconfigwowlan function checks whether...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: In brcmfmac, cfg80211: Handle PMKSA deletion based on the SSID. wpasupplicant 2.11 sends commands for PMKSA flush based on the SSID from version 1efdba5fdc2c statement: “Handle PMKSA flush in the driver for SAE/OWE offlo...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: fixed a memory leak of urbs in ath9khifusbdealloctxurbs. Syzkaller reported a well-known leak of urbs in ath9khifusbdealloctxurbs. The cause of the leak is that usbgeturb is called, but usbfreeurb or usbputur...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath9k: hifusb: Fixed a memory leak related to remainskbs. The hifdev-remainskb is allocated and used exclusively in ath9khifusbrxstream. It is implied that an allocated remainskb is processed and then freed in error-pron...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ar5523: Fixed a use-after-free in ar5523cmd when it timed out. syzkaller reported a use-after-free with the stack trace as follows 1: 38.960489 C3 ================================================================== 38.963216...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Fix for queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates this assumption...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7925: fixed an off-by-one issue in mt7925mcuhwscan. The ssid-ssids and sreq-ssids arrays contain elements with the value MT7925RNRSCANMAXBSSIDS; therefore, this value should be set to a larger value to prevent...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: rt2x00: Fixed memory leak when handling survey data When removing a rt2x00 device, the associated channel surveys are not freed, resulting in a memory leak observable with kmemleak. The affected object is: 0xffff9620f0881a0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: connac: check for null before dereferencing. The wcid can be NULL. It should be checked for validity before dereferencing it to avoid crashes...