CVE-2026-23066

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg unconditional requeue If rxrpcrecvmsg fails because MSGDONTWAIT was specified but the call at the front of the recvmsg queue already has its mutex locked, it requeues the call - whether or not the call is alrea...

CVE-2026-23072

In the Linux kernel, the following vulnerability has been resolved: l2tp: Fix memleak in l2tpudpencaprecv. syzbot reported memleak of struct l2tpsession, l2tptunnel, sock, etc. 0 The cited commit moved down the validation of the protocol version in l2tpudpencaprecv. The new place requires an extr...

UBUNTU-CVE-2026-23082

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: unanchor URL on usbsubmiturb error In commit 7352e1d5932a "can: gsusb: gsusbreceivebulkcallback: fix URB memory leak", the URB was re-anchored before usbsubmiturb in gsusbreceivebulkcallback ...

UBUNTU-CVE-2026-23046

In the Linux kernel, the following vulnerability has been resolved: virtionet: fix device mismatch in devmkzalloc/devmkfree Initial rsshdr allocation uses virtiodevice-device, but virtnetsetqueues frees using netdevice-device. This device mismatch causing below devres warning 3788.514041...

EUVD-2026-5433

In the Linux kernel, the following vulnerability has been resolved: can: usb8dev: usb8devreadbulkcallback: fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a "can: gsusb: gsusbreceivebulkcallback: fix URB memory leak". In usb8devopen - usb8devstart, the URBs for USB-in transfer...

CVE-2026-23108 can: usb_8dev: usb_8dev_read_bulk_callback(): fix URB memory leak

In the Linux kernel, the following vulnerability has been resolved: can: usb8dev: usb8devreadbulkcallback: fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a "can: gsusb: gsusbreceivebulkcallback: fix URB memory leak". In usb8devopen - usb8devstart, the URBs for USB-in transfer...

CVE-2026-23083 fou: Don't allow 0 for FOU_ATTR_IPPROTO.

In the Linux kernel, the following vulnerability has been resolved: fou: Don't allow 0 for FOUATTRIPPROTO. fouudprecv has the same problem mentioned in the previous patch. If FOUATTRIPPROTO is set to 0, skb is not freed by fouudprecv nor "resubmit"-ted in ipprotocoldeliverrcu. Let's forbid 0 for...

CVE-2026-23082

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbreceivebulkcallback: unanchor URL on usbsubmiturb error In commit 7352e1d5932a "can: gsusb: gsusbreceivebulkcallback: fix URB memory leak", the URB was re-anchored before usbsubmiturb in gsusbreceivebulkcallback ...

CVE-2026-23075

In the Linux kernel, the following vulnerability has been resolved: can: esdusb: esdusbreadbulkcallback: fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a "can: gsusb: gsusbreceivebulkcallback: fix URB memory leak". In esdusbopen, the URBs for USB-in transfers are allocated,...

EUVD-2026-5472

In the Linux kernel, the following vulnerability has been resolved: l2tp: Fix memleak in l2tpudpencaprecv. syzbot reported memleak of struct l2tpsession, l2tptunnel, sock, etc. 0 The cited commit moved down the validation of the protocol version in l2tpudpencaprecv. The new place requires an extr...

CVE-2026-23072

In the Linux kernel, the following vulnerability has been resolved: l2tp: Fix memleak in l2tpudpencaprecv. syzbot reported memleak of struct l2tpsession, l2tptunnel, sock, etc. 0 The cited commit moved down the validation of the protocol version in l2tpudpencaprecv. The new place requires an extr...

CVE-2026-23061

Summary (CVE-2026-23061) : The Linux kernel CAN subsystem can: kvaser_usb_read_bulk_callback() leak URBs in kvaser_usb, leading to a memory leak. Root cause: the URBs for USB-in transfers are anchored to dev->rx_submitted when created and submitted, but the USB framework unanchors URBs before ...

CVE-2026-23057

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small skb length limited by GOODCOPYLEN = 128, an attempt is made to join...

kernel: net: atlantic: fix fragment overflow handling in RX path

An out-of-bounds write vulnerability was found in the Aquantia Atlantic network driver in the Linux kernel. When receiving packets that span more than MAXSKBFRAGS 17 fragments, the driver writes beyond the skb fragment array bounds in skbaddrxfrag, causing kernel memory corruption and panic...

CVE-2026-23054 net: hv_netvsc: reject RSS hash key programming without RX indirection table

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...

EUVD-2026-5492

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...

CVE-2026-23054

The CVE-2026-23054 entry concerns the Linux kernel hv_netvsc RSS hashing. When a device reports a single receive queue, rndis_filter_device_add() may not allocate an RSS indirection table, allowing RSS hash key updates and causing a hang. The fix gates netvsc_set_rxfh() on ndc->rx_table_sz and...

CVE-2026-23054

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...

EUVD-2026-5499

In the Linux kernel, the following vulnerability has been resolved: udp: call skborphan before skbattemptdeferfree Standard UDP receive path does not use skb-destructor. But skmsg layer does use it, since it calls skbsetownersksafe from udpreadskb. This then triggers this warning in...

kernel: net: atlantic: fix fragment overflow handling in RX path

An out-of-bounds write vulnerability was found in the Aquantia Atlantic network driver in the Linux kernel. When receiving packets that span more than MAXSKBFRAGS 17 fragments, the driver writes beyond the skb fragment array bounds in skbaddrxfrag, causing kernel memory corruption and panic...