AZL-47428 CVE-2024-7383 affecting package libnbd for versions less than 1.12.1-4

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic...

UBUNTU-CVE-2024-7409

A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service DoS attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline...

[SECURITY] Fedora 40 Update: libnbd-1.20.2-1.fc40

NBD =E2=80=94 Network Block Device =E2=80=94 is a protocol for accessing Bloc k Devices hard disks and disk-like things over a Network. This is the NBD client library in userspace, a simple library for writing NBD clients. The key features are: Synchronous and asynchronous APIs, both for ease of...

OESA-2024-1792 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs It is observed sometimes when tethering is used over NCM with Windows 11 as host, at some...

[SECURITY] Fedora 39 Update: libnbd-1.18.5-1.fc39

NBD =E2=80=94 Network Block Device =E2=80=94 is a protocol for accessing Bloc k Devices hard disks and disk-like things over a Network. This is the NBD client library in userspace, a simple library for writing NBD clients. The key features are: Synchronous and asynchronous APIs, both for ease of...

AZL-55636 CVE-2023-52837 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbdopen Commit 4af5f2e03013 "nbd: use blkmqallocdisk and blkcleanupdisk" cleans up disk by blkcleanupdisk and it won't set disk-privatedata as NULL as before. UAF may be triggered in nbdopen if someone tries to op...

UBUNTU-CVE-2023-52837

In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbdopen Commit 4af5f2e03013 "nbd: use blkmqallocdisk and blkcleanupdisk" cleans up disk by blkcleanupdisk and it won't set disk-privatedata as NULL as before. UAF may be triggered in nbdopen if someone tries to op...

DEBIAN-CVE-2024-27025

In the Linux kernel, the following vulnerability has been resolved: nbd: null check for nlaneststart nlaneststart may fail and return NULL. Insert a check and set errno based on other call sites within the same source code...

UBUNTU-CVE-2024-27025

In the Linux kernel, the following vulnerability has been resolved: nbd: null check for nlaneststart nlaneststart may fail and return NULL. Insert a check and set errno based on other call sites within the same source code...

libnbd: Malicious NBD server may crash libnbd

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

libnbd: Crash or misbehaviour when NBD server returns an unexpected block size

A flaw was found in libnbd. A server can reply with a block size larger than 2^63 the NBD spec states the size is a 64-bit unsigned value. This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbdgetsize function...

DEBIAN-CVE-2021-46981

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

PT-2024-8216

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the nbd component of the Linux kernel and involves a null check for nla nest start. This function may fail and return NULL, potentially leading to a denial of...

NBD Tools: Multiple Vulnerabilities

Background The NBD Tools are the Network Block Device utilities allowing one to use remote block devices over a TCP/IP network. It includes a userland NBD server. Description Multiple vulnerabilities have been discovered in NBD Tools. Please review the CVE identifiers referenced below for details...

DEBIAN-CVE-2023-5871

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

CVE-2023-5871

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

UBUNTU-CVE-2023-5871

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

CVE-2023-5871

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

CVE-2023-5871 Libnbd: malicious nbd server may crash libnbd

A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service...

PT-2023-32387 · Libnbd +3 · Libnbd +3

Name of the Vulnerable Software and Affected Versions: libnbd affected versions not specified Description: A flaw was found in libnbd, due to a malicious Network Block Device NBD, a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server...