UBUNTU-CVE-2026-64424

In the Linux kernel, the following vulnerability has been resolved: netpoll: fix a use-after-free on shutdown path There is a use-after-free error on netpoll, which is clearly detected by KASAN. BUG: KASAN: slab-use-after-free in rawspinlockirqsave+0x3b/0x80 Read of size 1 at addr ... by task...

UBUNTU-CVE-2026-64469

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in binderthreadrelease When a thread exits, binderthreadrelease walks its transaction stack to clear the t-from and t-toproc that correspond with the exiting thread. However, a process dying in parallel might...

UBUNTU-CVE-2026-64273

In the Linux kernel, the following vulnerability has been resolved: Input: iforce - bound the device-reported force-feedback effect index iforceprocesspacket handles a status report packet id 0x02 by taking a force-feedback effect index straight from the device wire and using it to address the...

CVE-2026-64524 drm/hyperv: validate resolution_count and fix WIN8 fallback

In the Linux kernel, the following vulnerability has been resolved: drm/hyperv: validate resolutioncount and fix WIN8 fallback A SYNTHVIDRESOLUTIONRESPONSE with resolutioncount 64 walks past the supportedresolutionSYNTHVIDMAXRESOLUTIONCOUNT array in the parse loop. Bound resolutioncount against t...

CVE-2026-64512

In CVE-2026-64512, a Linux kernel issue in the ACPI CPPC module stems from field misuse of reg->access_width depending on reg->space_id. When using ACPI_ADR_SPACE_PLATFORM_COMM, access_width indicates the PCC region and can trigger UBSAN shift-out-of-bounds, as illustrated by UBSAN: shift-o...

CVE-2026-64511

In the Linux kernel, the following vulnerability has been resolved: ACPI: NFIT: core: Fix possible NULL pointer dereference After commit 9b311b7313d6 "ACPI: NFIT: Install Notify handler before getting NFIT table", acpinfitprobe installs an ACPI notify handler for the NFIT device before checking t...

CVE-2026-64505 usb: gadget: function: rndis: add length check for header

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: function: rndis: add length check for header Add a length check for the rndis header in rndisrmhdr, to ensure that MessageType, MessageLength, DataOffset, and DataLength fields are present before they are accessed...

CVE-2026-64503 iio: accel: kxsd9: fix runtime PM imbalance on write_raw() error

In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxsd9: fix runtime PM imbalance on writeraw error kxsd9writeraw takes a runtime PM reference with pmruntimegetsync but returns -EINVAL directly when a scale with a non-zero integer part is requested, skipping the...

CVE-2026-64479 ALSA: seq: Fix uninitialised heap leak in snd_seq_event_dup()

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix uninitialised heap leak in sndseqeventdup sndseqeventdup copies an incoming event into a pool cell and, in the UMP-enabled build, clears the trailing cell-ump.raw.extra word that the memcpy did not cover. The guard...

CVE-2026-64470 Bluetooth: btusb: fix use-after-free on marvell probe failure

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on marvell probe failure Make sure to stop any TX URBs submitted during Marvell OOB wakeup configuration on later probe failures to avoid use-after-free in the completion callback. This issue...

CVE-2026-64468 binder: fix UAF in binder_free_transaction()

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in binderfreetransaction In binderfreetransaction, the t-toproc is read under the t-lock. However, once the t-lock is dropped, the toproc can die in parallel. This leads to a use-after-free error when we attempt t...

CVE-2026-64465 usb: xhci: Fix sleep in atomic context in xhci_free_streams()

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix sleep in atomic context in xhcifreestreams When a USB device with active stream endpoints is disconnected, xhcifreestreams is called from the hubevent workqueue to free the stream resources. It calls...

EUVD-2026-48801

In the Linux kernel, the following vulnerability has been resolved: virtiopci: fix vq info pointer lookup via wrong index Unbinding a virtio balloon device: echo virtio0 /sys/bus/virtio/drivers/virtioballoon/unbind triggers a NULL pointer dereference. The dmesg says: BUG: kernel NULL pointer...

CVE-2026-64455

CVE-2026-64455 concerns the Linux kernel USB chaoskey driver. The vulnerability is a use-after-free in chaoskey_release: after the USB device is unplugged, a debugging log statement can access the usb_interface structure that has already been deallocated, potentially leading to a crash or memory ...

EUVD-2026-48797

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: fix disconnect UAF in client teardown usbiodisconnect walks usbio-clilist in reverse and uninitializes each auxiliary device. auxiliarydeviceuninit drops the device reference, and for an unbound child that can r...

CVE-2026-64439

CVE-2026-64439: In the Linux kernel, the krb5 AEAD path could free a buffer while an async AEAD worker still held a pointer, causing a use-after-free (KASAN). The fix filters out async AEAD implementations at allocation time in krb5_aead_encrypt()/krb5_aead_decrypt() and corresponding rfc3961_sim...

CVE-2026-64438 crypto: qat - fix VF2PF work teardown race in adf_disable_sriov()

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - fix VF2PF work teardown race in adfdisablesriov The VF2PF interrupt handler queues PF-side response work that stores a raw pointer to per-VF state struct adfaccelvfinfo. Currently, adfdisablesriov destroys per-VF...

CVE-2026-64435 audit: Fix data races of skb_queue_len() readers on audit_queue

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

CVE-2026-64434 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout 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 t...

CVE-2026-64434 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2capchantimeout 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 t...