Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: ocb: skipping RXnosta when the interface is not joined The ieee80211ocbrxnosta function assumes a valid channel context, which is only present after the JOINOCB operation. RX operations may occur before JOINOCB is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – fixed a warning in the usbtxblock function. The function usbtxblock submits cardp-txurb without ensuring that any previous transmissions on this URB have been completed. If a second call occurs while the URB is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: rt2x00usb – Fix for the device lifetime issue. USB drivers bind to USB interfaces, and any device’s managed resources should have their lifetime tied to the interface, rather than the parent USB device. This prevents issues...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: virtwifi: The SETNETDEVDEV function should be removed to avoid use-after-free issues. Currently, we execute SETNETDEVDEVdev, &priv-lowerdev-dev for the virtwifi network devices. However, unregistering a virtwifi device in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: re-fix fortified-memset warning The carl9170txrelease function sometimes triggers a fortified-memset warning in my build configurations. This issue occurs in the following file: include/linux/string.h:254, and in...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – Fixed RCU usage in the connect path. With lockdep enabled, calls to the connect function from the cfg802.11 layer lead to the following warning: ============================= WARNING: Suspicious RCU usage...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000: using vmmtable as an array in the wilc struct. Enabling KASAN and running some iperf tests causes some memory issues related to vmmtable. Bug: KASAN: A slab-out-of-bounds issue exists in...

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: brcmsmac – added a gain range check to wlcPhyiqcalgainparamsnphy. In wlcPhyiqcalgainparamsnphy, add a gain range check to WARN, instead of potentially unsafe access to the tbliqcalgainparamsnphy array. This fix has been...

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: at76c50x – Fixed the use of resources after freeing the pointer in at76disconnect. The memory pointed to by priv is freed at the end of the at76deletedevice function using ieee80211freehw. However, the code then accesses th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: wfx – Fix for a memory leak when starting an AP Kmemleak reported this error: Unreferenced object 0xd73d1180 size 184: Command “wpasupplicant”, PID 1559, jiffies 13006305 age 964.245 seconds Hex dump first 32 bytes: 00 0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath11k: Fixed the registration of a 6Ghz-only physical interface without the full channel range. Due to what appears to be a typographical error, the 6Ghz-only physical interface for which the BDF does not allow the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: In rtl8xxxu, memory leaks were fixed in devices like RTL8723BU and RTL8192EU. The RTL8723BU Wi-Fi + Bluetooth combo chip may leak memory when it is connected to a Bluetooth audio device. The busy Bluetooth traffic...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don’t leave if not joined If there is no OCB state, do not ask the driver/mac80211 to leave, as that would only cause confusion. Since the chandef state can be set or cleared, this is a simple check...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: RSI: Fixed a memory leak in rsicoexattach. The coexcb object needs to be freed when rsicreatekthread fails in rsicoexattach...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: do not trust the firmware’s nChannels value. If the firmware sends us a corrupted MCC response where nChannels is much larger than what the command response can handle, we might copy too much uninitialized...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k – Do not allow overwriting of ENDPOINT0 attributes A malicious USB device can construct a service connection response message with the target endpoint being ENDPOINT0, which is reserved for HTCCTRLRSVDSVC and should n...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix use after free for wext The key information in wext.connect is not reset upon reconnection, and this can retain data from a previous connection. Resetting the key data prevents drivers or mac80211 from...

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: ath10k – Fix for the dmafreecoherent pointer dmaalloccoherent allocates a DMA-mapped buffer and stores the addresses in XXXunaligned fields. These addresses should be reused when freeing the buffer, rather than using the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw88 – Fix the ‘para’ buffer size to avoid out-of-bounds reading. The size of the buffer was set to 6 instead of 2, because the ‘para’ array is passed to rtwfwbtwificontrolrtwdev, para0, &para1, which reads 5 bytes. c void...

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: mt76: disabling NAPI during driver removal A warning regarding driver removal began to appear after the commit 9dd05df8403b „net: warn if NAPI instance wasn’t shut down”. The Tx NAPI should be disabled before deleting it in...