SUSE CVE-2017-9524

The qemu-nbd server in QEMU aka Quick Emulator, when built with the Network Block Device NBD Server support, allows remote attackers to cause a denial of service segmentation fault and server crash by leveraging failure to ensure that all initialization occurs before talking to a client in the...

SUSE CVE-2017-15119

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

SUSE CVE-2019-16089

An issue was discovered in the Linux kernel through 5.2.13. nbdgenlstatus in drivers/block/nbd.c does not check the nlaneststartnoflag return value...

SUSE CVE-2020-10761

An assertion failure issue was found in the Network Block DeviceNBD Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the...

SUSE CVE-2022-26496

In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBDOPTINFO or NBDOPTGO message with an large value as the length of the name...

SUSE CVE-2022-26495

In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBDOPTINFO,...

PT-2025-40220

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the network block device nbd module related to incomplete validation of arguments passed through ioctl calls. Specifically, the issue arises from...

kernel: nbd: fix io hung while disconnecting device

In the Linux kernel, the following vulnerability has been resolved: nbd: fix io hung while disconnecting device In our tests, "qemu-nbd" triggers a io hung: INFO: task qemu-nbd:11445 blocked for more than 368 seconds. Not tainted 5.18.0-rc3-next-20220422-00003-g2176915513ca 884 "echo 0...

PT-2022-35744 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.262 Description: The issue is related to a hung condition when a signal interrupts the nbd start device ioctl function. The actual impact and potential for attack have not been fully determined...

DEBIAN-CVE-2022-0485

A flaw was found in the copying tool nbdcopy of libnbd. When performing multi-threaded copies using asynchronous nbd calls, nbdcopy was blindly treating the completion of an asynchronous command as successful, rather than checking the error parameter. This could result in the silent creation of a...

The vulnerability of the nbd network device implementation, related to integer overflow, allows an attacker to execute arbitrary code.

The vulnerability of NBD network block devices is related to integer overflows. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by sending specially crafted messages such as NBDOPTINFO, NBDOPTGO, and NBDOPTEXPORTNAME...

The vulnerability of the nbd network device implementation lies in the overflow of the buffer in the stack, allowing an attacker to execute arbitrary code.

The vulnerability of nbd network block devices relates to buffer overflow in the stack. Exploiting this vulnerability allows a remote attacker to execute arbitrary code by sending specially crafted data...

ROS-20220329-04

Vulnerability in nbd network block device implementation, related to stack-based buffer overflow during NBDOPTINFO or NBDOPTGO messages. Exploitation of the vulnerability could allow an attacker, acting remotely and not authenticated, to pass specially crafted data to an application, causing a...

[SECURITY] Fedora 36 Update: nbd-3.24-1.fc36

Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network...

Fedora: Security Advisory for nbd (FEDORA-2022-62adf9a1e0)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for nbd (FEDORA-2022-807e431d5f)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 35 Update: nbd-3.24-1.fc35

Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network...

[SECURITY] Fedora 34 Update: nbd-3.24-1.fc34

Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network...

libnbd: nbdcopy: missing error handling may create corrupted destination image

A flaw was found in the copying tool nbdcopy of libnbd. When performing multi-threaded copies using asynchronous nbd calls, nbdcopy was blindly treating the completion of an asynchronous command as successful, rather than checking the error parameter. This could result in the silent creation of a...

USN-5323-1 nbd vulnerabilities

It was discovered that NBD incorrectly handled name length fields. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service, or possibly execute arbitrary code...