CVE-2026-43455

In the Linux kernel, the following vulnerability has been resolved: mctp: route: hold key-lock in mctpflowprepareoutput mctpflowprepareoutput checks key-dev and may call mctpdevsetkey, but it does not hold key-lock while doing so. mctpdevsetkey and mctpdevreleasekey are annotated with...

UBUNTU-CVE-2026-43382

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled via canceldelayedworksync in...

UBUNTU-CVE-2026-43468

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devlink lock. .eswitchmodeset acquires devlink lock in devlinknlpredoit -...

CVE-2026-43468 net/mlx5: Fix deadlock between devlink lock and esw->wq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devlink lock. .eswitchmodeset acquires devlink lock in devlinknlpredoit -...

CVE-2026-43468

CVE-2026-43468 affects the Linux kernel net/mlx5 subsystem, where a deadlock can occur between the devlink lock and the esw->work_queue. The deadlock trace involves esw_functions_changed_event_handler executing esw_vfs_changed_event_handler, while eswitch_mode_set acquires the devlink lock and...

CVE-2026-43468

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devlink lock. .eswitchmodeset acquires devlink lock in devlinknlpredoit -...

CVE-2026-43468 net/mlx5: Fix deadlock between devlink lock and esw->wq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devlink lock. .eswitchmodeset acquires devlink lock in devlinknlpredoit -...

CVE-2026-43468

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devlink lock. .eswitchmodeset acquires devlink lock in devlinknlpredoit -...

CVE-2026-43455 mctp: route: hold key->lock in mctp_flow_prepare_output()

In the Linux kernel, the following vulnerability has been resolved: mctp: route: hold key-lock in mctpflowprepareoutput mctpflowprepareoutput checks key-dev and may call mctpdevsetkey, but it does not hold key-lock while doing so. mctpdevsetkey and mctpdevreleasekey are annotated with...

CVE-2026-43455

In CVE-2026-43455, multiple sources confirm a race in the Linux kernel MCTP module: mctp_flow_prepare_output() checks key->dev and may call mctp_dev_set_key() without holding key->lock, while both mctp_dev_set_key() and mctp_dev_release_key() require the lock. This can allow concurrent path...

CVE-2026-43455 mctp: route: hold key->lock in mctp_flow_prepare_output()

In the Linux kernel, the following vulnerability has been resolved: mctp: route: hold key-lock in mctpflowprepareoutput mctpflowprepareoutput checks key-dev and may call mctpdevsetkey, but it does not hold key-lock while doing so. mctpdevsetkey and mctpdevreleasekey are annotated with...

CVE-2026-43455

In the Linux kernel, the following vulnerability has been resolved: mctp: route: hold key-lock in mctpflowprepareoutput mctpflowprepareoutput checks key-dev and may call mctpdevsetkey, but it does not hold key-lock while doing so. mctpdevsetkey and mctpdevreleasekey are annotated with...

CVE-2026-43437

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: fix use-after-free on linked stream runtime in sndpcmdrain In the drain loop, the local variable 'runtime' is reassigned to a linked stream's runtime runtime = s-runtime at line 2157. After releasing the stream lock at...

CVE-2026-43423

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix atomic context locking issue The ncmsetalt function was holding a mutex to protect against races with configfs, which invokes the might-sleep function inside an atomic context. Remove the struct netdevice...

CVE-2026-43404

CVE-2026-43404: In the Linux kernel mm subsystem, hmm_range_fault() can livelock if folio_trylock() fails during device-private folio migration; the spinning waiter may be starved if a dependent work item on the same CPU never runs, causing a DoS-like livelock. Conditions include: migration path ...

CVE-2026-43388

CVE-2026-43388 (Linux kernel, DAMON) : The vulnerability arises in mm/damon/core/damos_walk(), which sets ctx->walk_control to a caller-provided control structure before checking if the context is running. If the context is inactive, it returns -EINVAL without clearing the pointer, leaving a d...

CVE-2026-43388 mm/damon/core: clear walk_control on inactive context in damos_walk()

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: clear walkcontrol on inactive context in damoswalk damoswalk sets ctx-walkcontrol to the caller-provided control structure before checking whether the context is running. If the context is inactive damonisrunning...

CVE-2026-43382 batman-adv: Avoid double-rtnl_lock ELP metric worker

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled via canceldelayedworksync in...

CVE-2026-43382 batman-adv: Avoid double-rtnl_lock ELP metric worker

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled via canceldelayedworksync in...

CVE-2026-43382

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled via canceldelayedworksync in...