UBUNTU-CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

UBUNTU-CVE-2026-72476

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix possible use after free In dmareleasechannel, check chan-device-privatecnt after call dmachanput. However, dmachanput call dmadeviceput which could release the last reference of the device if the DMA provider is...

UBUNTU-CVE-2026-72331

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix VMA access race aie2populaterange and amdxdnaumaprelease access a saved VMA pointer that may have already been freed, leading to a potential use-after-free. Remove the VMA accesses from these functions to avoid...

UBUNTU-CVE-2026-72499

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Free CQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxtqplibdestroycq won't write the toggle value to an already-freed page...

UBUNTU-CVE-2026-72435

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu and rcuassignpointer Sashiko pointed out that kfreercu was called before rcuassignpointer in handling the comment extension. Fix the order so that rcuassignpointer called first...

UBUNTU-CVE-2026-72469

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Fix ep kref imbalance on ADDRCHANGE rpcrdmacmeventhandler falls through to the disconnected: label on RDMACMEVENTADDRCHANGE and calls rpcrdmaepput with no matching get when the event arrives before RDMACMEVENTESTABLISHE...

UBUNTU-CVE-2026-74421

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: dwdp: Switch to drmmkzalloc Driver makes use of drmmencoderinit to initialize the encoder and automatically handle the cleanup by registering drmencodercleanup with drmmaddaction. However, the internal structure...

UBUNTU-CVE-2026-74329

In the Linux kernel, the following vulnerability has been resolved: watchdog: unregister PM notifier on watchdog unregister watchdogregisterdevice registers wdd-pmnb when WDOGNOPINGONSUSPEND is set, but watchdogunregisterdevice does not remove it. This leaves an embedded notifier block on the PM...

UBUNTU-CVE-2026-72337

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...

UBUNTU-CVE-2026-74302

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory...

CVE-2026-72422

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of conn-preauthinfo in concurrent SMB2 NEGOTIATE conn-preauthinfo is shared connection state struct preauthintegrityinfo, kmalloc-96 that is allocated and freed by the SMB2 NEGOTIATE handler and read by...

UBUNTU-CVE-2026-72493

In the Linux kernel, the following vulnerability has been resolved: net: serialize netifrunning check in enqueuetobacklog Syzbot reported a KASAN slab-use-after-free in fibruleslookup. The root cause is a race condition where packets can escape the backlog flushing during device unregistration...

UBUNTU-CVE-2026-72427

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix effective prog array index with BPFFPREORDER replaceeffectiveprog and purgeeffectiveprogs located the slot in the effective array by walking the program hlist and counting entries linearly. That count does not match the...

UBUNTU-CVE-2026-72353

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid stale runlist element dereference in fallocate ntfsattrfallocate allocates holes and delayed allocations inside initialized size by looking up the current runlist element under ni-runlist.lock. The returned struct...

UBUNTU-CVE-2026-72329

In the Linux kernel, the following vulnerability has been resolved: net/liquidio: drop cached VF pcidev LUT The PF SR-IOV enable path caches VF pcidev pointers in dpiringtovfpcidevlut by iterating with pcigetdevice. Those entries do not own a reference, because the iterator drops the previous...

CVE-2026-72486

In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-adsp: fix UAF during device teardown When the SOF audio driver fails to initialize e.g. firmware boot timeout, its devres unwind frees the sndsofdev object that the mailbox client mtk-adsp-ipc reaches via...

CVE-2026-74415

In the Linux kernel, the following vulnerability has been resolved: spi: atcspi200: fix use-after-free when driver unbind DMA resource is initialized after SPI controller registration. So when driver unbind, this can trigger a use-after-free when DMA is torn down while the controller is still ali...

CVE-2026-72454

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in i3chciaddrtodev i3chciaddrtodev walks bus-devs.i3c, which is protected by bus.lock rwsem. However, it is invoked from the MIPI I3C HCI IRQ handler, which cannot take bus.lock. This allows concurrent...

CVE-2026-74296

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware...

CVE-2026-72491

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix race condition on rdma-state in transrdma.c The rdma-state field is modified without holding reqlock in both recvdone and p9cmeventhandler, while rdmarequest accesses the same field under the reqlock spinlock. This...