kernel: nbd: fix incomplete validation of ioctl arg

A flaw has been found in the Linux kernel’s NBD drivers.The issue stems from incomplete validation of IOCTL arguments passed to the NBD driver. Specifically, oversized or unchecked arguments may lead to a signed integer overflow in blockwritefullpage and misuse of argument values cast to int in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001418)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001418 advisory. nbdaddsocket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndbqueuerq use-after- free that could be triggered by local attackers with access to t...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414603)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414603 advisory. nbdaddsocket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndbqueuerq use-after- free that could be triggered by local attackers with access to t...

SUSE CVE-2021-3348

nbdaddsocket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndbqueuerq use-after-free that could be triggered by local attackers with access to the nbd device via an I/O request at a certain point during device setup, aka CID-b98e762e3d71...

nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup aka CID-b98e762e3d71.

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