kernel: wifi: mac80211: Fix UAF in ieee80211_scan_rx()

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix UAF in ieee80211scanrx ieee80211scanrx tries to access scanreq-flags after a null check, but a UAF is observed when the scan is completed and ieee80211scancompleted executes, which then calls cfg80211scandone...

kernel: wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected When we are not connected to a channel, sending channel "switch" announcement doesn't make any sense. The BSS list is empty in that case. This causes the fo...

kernel: wifi: mac80211: fix use-after-free in chanctx code

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix use-after-free in chanctx code In ieee80211vifusereservedcontext, when we have an old context and the new context's replacestate is set to IEEE80211CHANCTXREPLACENONE, we free the old context in...

Oracle Linux 9 : kernel (ELSA-2023-2458)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-2458 advisory. - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function inet6streamops/inet6dgramops of...

kernel: wifi: mac80211: Fix UAF in ieee80211_scan_rx()

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix UAF in ieee80211scanrx ieee80211scanrx tries to access scanreq-flags after a null check, but a UAF is observed when the scan is completed and ieee80211scancompleted executes, which then calls cfg80211scandone...

kernel: Denial of service in beacon protection for P2P-device

A flaw was found in P2P-Device in wifi in ieee80211rxhdecrypt in net/mac80211/rx.c in the Linux kernel, leading to a denial of service...

kernel: wifi: mac80211: fix use-after-free in chanctx code

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix use-after-free in chanctx code In ieee80211vifusereservedcontext, when we have an old context and the new context's replacestate is set to IEEE80211CHANCTXREPLACENONE, we free the old context in...

kernel: wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration

In the Linux kernel, the following vulnerability has been resolved: wifi: mac8021: fix possible oob access in ieee80211getrateduration Fix possible out-of-bound access in ieee80211getrateduration routine as reported by the following UBSAN report: UBSAN: array-index-out-of-bounds in...

K15908: Linux kernel mac80211 vulnerability CVE-2014-8709

Security Advisory Description The ieee80211fragment function in net/mac80211/tx.c in the Linux kernel before 3.13.5 does not properly maintain a certain tail pointer, which allows remote attackers to obtain sensitive cleartext information by reading packets. CVE-2014-8709 Impact None. F5 products...

SUSE CVE-2009-4027

Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service system crash via a Delete Block ACK aka DELBA packet that triggers a certain state change in the absence of an aggregation session...

SUSE CVE-2009-4026

The mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service panic via a crafted Delete Block ACK aka DELBA packet, related to an erroneous "code shuffling patch."...

SUSE CVE-2014-2706

Race condition in the mac80211 subsystem in the Linux kernel before 3.13.7 allows remote attackers to cause a denial of service system crash via network traffic that improperly interacts with the WLANSTAPSSTA state aka power-save mode, related to stainfo.c and tx.c...

SUSE CVE-2021-38206

The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service NULL pointer dereference in the radiotap parser by injecting a frame with 802.11a rates...

SUSE CVE-2022-42720

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers able to inject WLAN frames to trigger use-after-free conditions to potentially execute code...

SUSE CVE-2022-42719

A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers able to inject WLAN frames to crash the kernel and potentially execute code...

SUSE CVE-2022-42721

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers able to inject WLAN frames to corrupt a linked list and, in turn, potentially execute code...

GSD-2023-1001979 wifi: mac80211: fix initialization of rx->link and rx->link_sta

wifi: mac80211: fix initialization of rx-link and rx-linksta This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.8 by commit...

GSD-2023-1001977 wifi: mac80211: sdata can be NULL during AMPDU start

wifi: mac80211: sdata can be NULL during AMPDU start This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.8 by commit...

PT-2023-35053 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.8 Description: A potential issue exists where sdata can be NULL during AMPDU start in the mac80211 wifi component. The actual impact and attack plausibility have not yet been proven. Recommendations: For...

PT-2023-35055 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.8 Description: The issue concerns the initialization of rx-link and rx-link sta in the mac80211 component of the wifi module. The actual impact and attack plausibility have not yet been proven...