UBUNTU-CVE-2026-64281

In the Linux kernel, the following vulnerability has been resolved: svcrdma: wake sq waiters when the transport closes Threads parked in svcrdmasqwait on scsqticketwait or scsendwait can hang indefinitely in TASKUNINTERRUPTIBLE state across transport teardown, pinning svcxprt references and...

CVE-2026-64369

In the Linux kernel, the following vulnerability has been resolved: s390: Revert support for DCACHEWORDACCESS loadunalignedzeropad reads eight bytes from unaligned addresses and may cross page boundaries. It handles exceptions which may happen if reading from the second page results in an...

UBUNTU-CVE-2026-64269

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

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-2026-48915

In the Linux kernel, the following vulnerability has been resolved: proc: protect ptracemayaccess with execupdatelock part 1 Fix the easy cases where procfs currently calls ptracemayaccess without execupdatelock protection, where the fix is to simply add the extra lock or use mmaccess: -...

CVE-2026-64337

CVE-2026-64337 affects the Linux kernel's USB MTU3 gadget driver . The function mtu3_gadget_queue() maps the request DMA before checking whether the QMU GPD ring can accept another transfer. When mtu3_prepare_transfer() fails, the request is returned with -EAGAIN but the DMA mapping is never unma...

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...

EUVD-2026-48881

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-2026-64328 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-2026-64321 nvme: target: rdma: fix ndev refcount leak on queue connect

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

EUVD-2026-49033

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

CVE-2026-64321

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

CVE-2026-64281

CVE-2026-64281 affects the Linux kernel svcrdma transport (svc_rdma) where threads parked in svc_rdma_sq_wait() could hang indefinitely during transport teardown due to missing wakeups on close. The fixed flow adds svc_rdma_xprt_deferred_close(), which calls svc_xprt_deferred_close() and then wak...

CVE-2026-64280 fpga: dfl-afu: validate DMA mapping length in afu_dma_map_region()

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

CVE-2026-64269

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

CVE-2026-64269 RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdma_write_sg

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

EUVD-2026-48980

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siwqprx.c, siwprocrresp places each inbound Read Response DDP segment at sge-laddr + wqe-processed and then accumulates wqe-processed, but i...

EUVD-2026-48981

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

CVE-2026-64269 RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdma_write_sg

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

CVE-2026-64268

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siwqprx.c, siwprocrresp places each inbound Read Response DDP segment at sge-laddr + wqe-processed and then accumulates wqe-processed, but i...