EUVD-2026-86646

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: protect configctx from being freed under the config callback vhostvdpaconfigcb loads v-configctx and signals it without taking a reference and without holding any lock: struct eventfdctx configctx = v-configctx; if...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013571)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013571 advisory. In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afuioctl eventfdctxput need to be called to put the...

UBUNTU-CVE-2022-50742

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afuioctl eventfdctxput need to be called to put the refcount that gotten by eventfdctxfdget when ocxlirqsethandler fails...

CVE-2022-50742

CVE-2022-50742 is reported in the Linux kernel under the misc: ocxl subsystem. The issue is described as a possible refcount leak in afu_ioctl(), caused when ocxl_irq_set_handler fails and the code does not release the refcount obtained via eventfd_ctx_fdget. The fix requires calling eventfd_ctx_...

CVE-2022-50742: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afuioctl eventfdctxput need to be called to put the refcount that gotten by eventfdctxfdget when ocxlirqsethandler fails...

CVE-2021-46933 usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear.

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Clear ffseventfd in ffsdataclear. ffsdataclear is indirectly called from both ffsfskillsb and ffsep0release, so it ends up being called twice when userland closes ep0 and then unmounts ffs. If userland provided ...