UBUNTU-CVE-2026-72405

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

UBUNTU-CVE-2026-72342

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix HV VHCA stats agent registration race mlx5ehvvhcastatscreate registers the stats agent through mlx5hvvhcaagentcreate. The helper publishes the agent in hvvhca-agentstype under agentslock and immediately schedules a...

CVE-2026-72123

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72109

In the Linux kernel, the following vulnerability has been resolved: net: sparx5: unregister blocking notifier on init failure sparx5registernotifierblocks registers the switchdev blocking notifier before allocating the ordered workqueue. If the workqueue allocation fails, the error path unregiste...

UBUNTU-CVE-2026-72109

In the Linux kernel, the following vulnerability has been resolved: net: sparx5: unregister blocking notifier on init failure sparx5registernotifierblocks registers the switchdev blocking notifier before allocating the ordered workqueue. If the workqueue allocation fails, the error path unregiste...

UBUNTU-CVE-2026-72123

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72005

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: avoid full teardown before work setup in probe rt2x00libprobedev uses the full rt2x00libremovedev teardown for all probe failures. However, drvdata allocation and workqueue allocation can fail before intfwork,...

UBUNTU-CVE-2026-72005

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: avoid full teardown before work setup in probe rt2x00libprobedev uses the full rt2x00libremovedev teardown for all probe failures. However, drvdata allocation and workqueue allocation can fail before intfwork,...

CVE-2026-74437 media: uvcvideo: Fix deadlock if uvc_status_stop is called from async_ctrl.work

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix deadlock if uvcstatusstop is called from asyncctrl.work If a UVC camera has an asynchronous control, uvcstatusstop may be called from asyncctrl.work: uvcctrlstatuseventwork uvcctrlstatusevent uvcctrlclearhand...

CVE-2026-74437

In the Linux kernel, CVE-2026-74437 affects the media: uvcvideo path. The vulnerability arises when a UVC camera with an asynchronous control triggers a path where uvc_status_stop is called from within async_ctrl.work, leading to a potential deadlock: cancel_work_sync waits for uvc_ctrl_status_ev...

CVE-2026-74437 media: uvcvideo: Fix deadlock if uvc_status_stop is called from async_ctrl.work

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix deadlock if uvcstatusstop is called from asyncctrl.work If a UVC camera has an asynchronous control, uvcstatusstop may be called from asyncctrl.work: uvcctrlstatuseventwork uvcctrlstatusevent uvcctrlclearhand...

CVE-2026-72405 net: udp_tunnel: prevent double queueing in udp_tunnel_nic_device_sync

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

CVE-2026-72405 net: udp_tunnel: prevent double queueing in udp_tunnel_nic_device_sync

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

EUVD-2026-59304

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

CVE-2026-72405

The CVE-2026-72405 issue affects the Linux kernel’s net/udp_tunnel path, specifically udp_tunnel_nic_device_sync_work() and related workqueue handling. A concurrent operation could queue work twice; when the active worker clears the work_pending flag, it could reset it for the newly queued item, ...

CVE-2026-72342

The CVE-2026-72342 issue affects the Linux kernel’s net/mlx5e HV VHCA stats path. The race occurs in mlx5e_hv_vhca_stats_create() when publishing the stats agent via mlx5_hv_vhca_agent_create(): the agent is published and a delayed invalidation is scheduled before priv->stats_agent.agent and p...

EUVD-2026-59236

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72337 Bluetooth: 6lowpan: avoid untracked enable work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72337 Bluetooth: 6lowpan: avoid untracked enable work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72315 smb: client: fix busy dentry warning on unmount after DIO

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...