kernel: wifi: rtw88: always wait for both firmware loading attempts

A use-after-free flaw was found in the Linux kernel's mac80211-based wireless driver when firmware loading fails. This issue could allow a local user to crash the system as result of driver failure on an error path during power on...

kernel: wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: do not pass a stopped vif to the driver in .gettxpower Avoid potentially crashing in the driver because of uninitialized private data...

kernel: wifi: mac80211: don't use rate mask for offchannel TX either

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't use rate mask for offchannel TX either Like the commit ab9177d83c04 "wifi: mac80211: don't use rate mask for scanning", ignore incorrect settings to avoid no supported rate warning reported by syzbot. The...

USN-7506-4 linux-lts-xenial vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-3 linux-fips vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7506-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7506-1 advisory. Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of devi...

PT-2025-25788

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the wifi mac80211 component. The issue involves setting n channels after allocating struct cfg80211 scan request. This...

USN-7496-5 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Block layer subsystem; - Character device driver; - Hardware crypto device drivers; - GPU drivers; - Media drivers;...

USN-7496-4 linux-azure vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Block layer subsystem; - Character device driver; - Hardware crypto device drivers; - GPU drivers; - Media drivers;...

USN-7496-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Block layer subsystem; - Character device driver; - Hardware crypto device drivers; - GPU drivers; - Media drivers;...

USN-7496-1 linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Block layer subsystem; - Character device driver; - Hardware crypto device drivers; - GPU drivers; - Media drivers;...

SUSE CVE-2022-49876

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

SUSE CVE-2025-37794

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Purge vif txq in ieee80211dostop After ieee80211dostop SKB from vif's txq could still be processed. Indeed another concurrent vif scheduleandwaketxq call could cause those packets to be dequeued see...

DEBIAN-CVE-2022-49876

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

CVE-2022-49876

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

UBUNTU-CVE-2022-49876

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

DEBIAN-CVE-2025-37794

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Purge vif txq in ieee80211dostop After ieee80211dostop SKB from vif's txq could still be processed. Indeed another concurrent vif scheduleandwaketxq call could cause those packets to be dequeued see...

CVE-2025-37794

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Purge vif txq in ieee80211dostop After ieee80211dostop SKB from vif's txq could still be processed. Indeed another concurrent vif scheduleandwaketxq call could cause those packets to be dequeued see...

CVE-2022-49876 wifi: mac80211: fix general-protection-fault in ieee80211_subif_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

CVE-2022-49876

Summary: CVE-2022-49876 is a Linux kernel vulnerability in wifi/mac80211 that causes a general-protection fault when an interface’s status changes during active transmission. The issue stems from accessing sdata->bss after it is set to NULL during ieee80211_runtime_change_iftype/ieee80211_do_s...