UBUNTU-CVE-2026-43402

In the Linux kernel, the following vulnerability has been resolved: kthread: consolidate kthread exit paths to prevent use-after-free Guillaume reported crashes via corrupted RCU callback function pointers during KUnit testing. The crash was traced back to the pidfs rhashtable conversion which...

CVE-2026-43402

In the Linux kernel, the following vulnerability has been resolved: kthread: consolidate kthread exit paths to prevent use-after-free Guillaume reported crashes via corrupted RCU callback function pointers during KUnit testing. The crash was traced back to the pidfs rhashtable conversion which...

CVE-2026-43460 spi: rockchip-sfc: Fix double-free in remove() callback

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove callback The driver uses devmspiregistercontroller for registration, which automatically unregisters the controller via devm cleanup when the device is removed. The manual call to...

CVE-2026-43460 spi: rockchip-sfc: Fix double-free in remove() callback

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove callback The driver uses devmspiregistercontroller for registration, which automatically unregisters the controller via devm cleanup when the device is removed. The manual call to...

CVE-2026-43460

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove callback The driver uses devmspiregistercontroller for registration, which automatically unregisters the controller via devm cleanup when the device is removed. The manual call to...

CVE-2026-43326

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix SCXKICKWAIT deadlock by deferring wait to balance callback SCXKICKWAIT busy-waits in kickcpusirqworkfn using smpcondloadacquire until the target CPU's kicksync advances. Because the irqwork runs in hardirq context,...

CVE-2026-43327

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-43293

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix kthread worker destruction in polling mode Fix the cleanup order in polling mode irq worklist and WARNON!listempty&worker-delayedworklist. The original code called kthreaddestroyworker before...

UBUNTU-CVE-2026-43326

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix SCXKICKWAIT deadlock by deferring wait to balance callback SCXKICKWAIT busy-waits in kickcpusirqworkfn using smpcondloadacquire until the target CPU's kicksync advances. Because the irqwork runs in hardirq context,...

UBUNTU-CVE-2026-43327

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

UBUNTU-CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43326

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix SCXKICKWAIT deadlock by deferring wait to balance callback SCXKICKWAIT busy-waits in kickcpusirqworkfn using smpcondloadacquire until the target CPU's kicksync advances. Because the irqwork runs in hardirq context,...

CVE-2026-43327

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-43337 drm/amd/display: Fix NULL pointer dereference in dcn401_init_hw()

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43337

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference in dcn401inithw dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the existing condition: !fams2enable && updatebwboundingbox || freqchang...

CVE-2026-43327

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-43327 USB: dummy-hcd: Fix locking/synchronization error

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-43327 USB: dummy-hcd: Fix locking/synchronization error

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

CVE-2026-43327

CVE-2026-43327 affects the Linux kernel USB dummy-hcd code. The race involves usb_gadget_udc_reset() being invoked with a NULL second argument (driver) due to a race between USB reset and driver unbind, enabling a potential crash. The root cause was that stop_activity() could drop and re-acquire ...

CVE-2026-43326

The CVE-2026-43326 entry documents a Linux kernel sched_ext deadlock vulnerability (SCX_KICK_WAIT) where CPUs busy-waited in kick_cpus_irq_workfn() and could form a cycle, freezing the system. The fix defers the wait to a balance callback by replacing the busy-wait with resched_curr(), forcing th...