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...

PT-2024-21510

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a potential deadlock at set capacity in the Linux kernel. This occurs due to an interrupt unsafe locking scenario where aoeblk gdalloc holds &d-lock and attempts ...

DEBIAN-CVE-2024-0562

A use-after-free flaw was found in the Linux Kernel. When a disk is removed, bdiunregister is called to stop further write-back and waits for associated delayed work to complete. However, wbinodewritebackend may schedule bandwidth estimation work after this has completed, which can result in the...

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...

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...

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...

USN-6503-1 linux, linux-aws, linux-laptop, linux-lowlatency, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service system crash. CVE-2023-31085 Bien Pham discovered that the netfiler subsystem in the Linux...

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...

[SECURITY] Fedora 39 Update: libnbd-1.18.1-2.fc39

NBD =EF=BF=BD=EF=BF=BD=EF=BF=BD Network Block Device =EF=BF=BD=EF=BF=BD=EF=BF =BD is a protocol for accessing Block 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...

kernel: block: be a bit more careful in checking for NULL bdev while polling

In the Linux kernel, the following vulnerability has been resolved: block: be a bit more careful in checking for NULL bdev while polling Wei reports a crash with an application using polled IO: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915 Comm: iocore0 Kdump:...

SUSE 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. Mitigation Mitigation for this issue is either not available or the currentl...

libnbd Security Vulnerabilities

libnbd is a library for editing NBD Network Block Device clients. A security vulnerability exists in libnbd that stems from an assertion failure in BLOCKSTATUS...

Libnbd: crash or misbehaviour when nbd server returns an unexpected block size

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SUSE CVE-2023-5215

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-2023-5215

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...

UBUNTU-CVE-2023-5215

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...

PT-2023-9291 · Libnbd +5 · Libnbd +5

Name of the Vulnerable Software and Affected Versions: libnbd affected versions not specified Description: A flaw was found in libnbd where a server can reply with a block size larger than 2^63, which is a 64-bit unsigned value according to the NBD spec. This issue could lead to an application...