CVE-2026-64337 usb: mtu3: unmap request DMA on queue failure

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: unmap request DMA on queue failure mtu3gadgetqueue maps the request before checking whether the QMU GPD ring can accept another transfer. the request is returned with -EAGAIN before it is linked on the endpoint request...

CVE-2026-64329 usb: typec: ucsi: ccg: Fix use-after-free of ucsi on remove

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: ccg: Fix use-after-free of ucsi on remove The threaded IRQ handler ccgirqhandler calls ucsinotifycommon, which on a connector-change event calls ucsiconnectorchange and schedules connector work. In ucsiccgremove...

CVE-2026-64328 usb: gadget: f_fs: Fix DMA fence leak

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix DMA fence leak In ffsdmabuftransfer, a ffsdmafence object is kmalloc'd, with the underlying dmafence later initialized by dmafenceinit, which sets its kref counter to 1. Then, dmaresvaddfence gets a second...

CVE-2026-64302 x86/mm: Fix freeing of PMD-sized vmemmap pages

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64290 iommufd: Break the loop on failure in iommufd_fault_fops_read()

In the Linux kernel, the following vulnerability has been resolved: iommufd: Break the loop on failure in iommufdfaultfopsread On a copytouser failure inside the inner listforeachentry, only the inner loop breaks; the outer while re-fetches the just-restored fault group and retries the failing...

CVE-2026-64289 iommufd: Set upper bounds on cache invalidation entry_num and entry_len

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set upper bounds on cache invalidation entrynum and entrylen iommufdhwptinvalidate takes a user-controlled entrynum and entrylen, each bounded only by U32MAX. An entrylen beyond the kernel's struct size makes the copy...

CVE-2026-64279 i2c: core: fix adapter deregistration race

In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter deregistration race Adapters can be looked up by their id using i2cgetadapter which takes a reference to the embedded struct device. Remove the adapter from the IDR before tearing it down during...

EUVD-2026-48982

In the Linux kernel, the following vulnerability has been resolved: Input: mms114 - reject an oversized device packet size mms114interrupt reads a packet of touch data from the device into a fixed-size on-stack buffer struct mms114touch touchMMS114MAXTOUCH; which holds MMS114MAXTOUCH 10 events of...

CVE-2026-64264 fuse-uring: fix EFAULT clobber in fuse_uring_commit

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix EFAULT clobber in fuseuringcommit copyfromuser returns the number of bytes not copied as an unsigned residual on failure 1..sizeofstruct fuseoutheader. fuseuringcommit stores that residual in ssizet err, sets...

PT-2026-64626

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci conn: Fix null ptr deref in hci abort conn hci abort conn read hci skb eventhdev-sent cmd when a connection was pending, but hdev-sent cmd can be NULL while req status is still HCI REQ PEND, leading to a NULL point...

PT-2026-64655

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2cap chan timeout runs asynchronously and accesses chan-conn. If the connection is torn down while the timer is running or pending, chan-conn can be freed, leading...

PT-2026-64587

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-out-of-bounds write exists in the wacom wac queue insert function. The issue occurs when the function calls kfifo skip in a loop because the kfifo lacks sufficient space for an...

PT-2026-64522

In the Linux kernel, the following vulnerability has been resolved: regulator: scmi: fix of node refcount leak in scmi regulator probe scmi regulator probe calls of find node by name which takes a reference on the returned device node. On the error path where process scmi regulator of node fails,...

PT-2026-64671

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATE MSG can carry a Gap ACK blocks record in its data area. tipc get gap ack blks only verifies that the record's len field is self-consistent with i...

CVE-2026-64254

In the Linux kernel, the following vulnerability has been resolved: NTB: epf: Avoid pciiounmap with offset when PEERSPAD and CONFIG share BAR When BARPEERSPAD and BARCONFIG share one PCI BAR, the module teardown path ends up calling pciiounmap on the same iomem with some offset, which is...

UBUNTU-CVE-2026-64253

In the Linux kernel, the following vulnerability has been resolved: kernel/fork: clear PFBLOCKTS in copyprocess PFBLOCKTS is only set in blktimegetns when current-plug is non-NULL, and blkfinishplug clears it via blkflushplug before NULLing the plug pointer. copyprocess breaks the invariant by...

CVE-2026-64254 NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR

In the Linux kernel, the following vulnerability has been resolved: NTB: epf: Avoid pciiounmap with offset when PEERSPAD and CONFIG share BAR When BARPEERSPAD and BARCONFIG share one PCI BAR, the module teardown path ends up calling pciiounmap on the same iomem with some offset, which is...

CVE-2026-64236 i2c: davinci: fix division by zero on missing clock-frequency

In the Linux kernel, the following vulnerability has been resolved: i2c: davinci: fix division by zero on missing clock-frequency When the 'clock-frequency' property is missing from the device tree, the driver falls back to DAVINCII2CDEFAULTBUSFREQ. However, this macro was defined in kHz 100,...

CVE-2026-64232

In the Linux kernel, the following vulnerability has been resolved: block: recompute nrintegritysegments in blkinsertclonedrequest blkinsertclonedrequest already recomputes nrphyssegments against the bottom queue, because "the queue settings related to segment counting may differ from the origina...

CVE-2026-64227 ACPI: driver: Check ACPI_COMPANION() against NULL during probe

In the Linux kernel, the following vulnerability has been resolved: ACPI: driver: Check ACPICOMPANION against NULL during probe Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, platform drivers that rely on...