Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel 5.8.9. The implementations of WEP, WPA, WPA2, and WPA3 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 found in Linux 5.10, Linux 5.15

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 – Vulnerabilities in Linux 5.10, Linux 5.15

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 – Vulnerabilities in Linux 5.10, Linux 5.15

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: wl1251 – Fixed a memory leak in wl1251txwork. The skb packet dequeued from txqueue is lost when the wl1251pselpwakeup function fails with an -ETIMEDOUT error. This issue was fixed by re-queuing the skb packet back into...

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: Avoid exposing kernel data to user space through struct iwpoint struct iwpoint contains a 32-bit field on 64-bit architectures. c struct iwpoint void user pointer; / Pointer to the data in user space / u16 length; / Number ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Check the A-MSDU format more carefully. If it seems that there is another subframe within the A-MSDU, but the header is not fully present, we may end up reading data outside its expected range, which would then ne...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mwifiex: Fixed a warning regarding memcpy operations that span entire fields in mwifiexcmd80211scanext. This fix involves replacing a one-element array with a flexible-array member in the struct hostcmdds80211scanext...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Instead of returning -EAGAIN, -ENOMEM is returned if there is not enough headroom. Since the upstream commit e75665dd0968 “wifi: wlcore: ensure skb headroom before skbpush”, wl1271txallocate and wl1271preparetxframe...

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: nl80211 – Reject the “COOKFRAMES” flag if it is set along with other flags. It is possible for users to set both MONITORFLAGCOOKFRAMES and MONITORFLAGACTIVE flags simultaneously on the same monitor interface from the user...

Astra Linux – Vulnerability in Linux 6.1

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

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: Radiotap: Reject Radiotap with unknown bits The Radiotap parser is currently only used with the radiotap namespace not with vendor namespaces. However, if the undefined field 18 is used, the alignment/size of the data is al...

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: RSI: Fixed memory corruption caused by not setting the size of vif driver data. The struct ieee80211vif contains a trailing space for vif driver data. When struct ieee80211vif is allocated, the total memory size allocated i...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – fixed a memory leak in lbsinitadapter. When kfifoalloc failed in lbsinitadapter, the command buffer was not released. Add freed memory to the processing error path...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Added a missing lock in cfg80211checkandendcac. Callers of wdevchandef must hold the wiphy mutex. However, the worker function cfg80211propagatecacdonewk never holds the wiphy mutex. This triggers the following...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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

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: mwifiex: avoided possible dereferencing of a NULL skb pointer. In ‘mwifiexhandleuaprxforward’, always check the value returned by ‘skbcopy’ to avoid potential NULL pointer dereferencing in ‘mwifiexuapqueuebridgedpkt’. If...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fix for use-after-free when rescheduling the brcmfbtcoexinfo worker. The brcmfbtcoexdetach function only shuts down the btcoex timer if the timeron flag is set to false. However, the brcmfbtcoextimerfunc function...