CLSA-2025-1764772736 libnbd: Fix of CVE-2024-7383

CVE-2024-7383: verify NBD server's certificate to prevent man-in-the-middle attack on NBD traffic...

USN-7774-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-raspi, linux-xilinx-zynqmp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

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...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

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...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: handle getclientlocked failure in nfsd4setclientidconfirm CVE-2025-38724 kernel: smb: client: fix race with concurrent opens in rename2 CVE-2025-39825 kernel: mm/memory-failure: fix...

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...

Linux kernel block device driver Heap Buffer Overflow Info Disclosure

The vulnerability of the rnbdsrvgetfullpath function in the drivers/block/rnbd/rnbd-srv.c module of the Linux block device support driver is related to buffer overflow in the stack. Exploiting this vulnerability could allow an attacker to gain access to protected information...

USN-7879-2 linux-realtime-6.14 vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Several security issues were discovered in the Linux kernel. An attacker could possibly use...

TencentOS Server 4: libnbd (TSSA-2024:0621)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0621 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2025-40147

In the Linux kernel, the following vulnerability has been resolved: blk-throttle: fix access race during throttle policy activation On repeated cold boots we occasionally hit a NULL pointer crash in blkshouldthrotl when throttling is consulted before the throttle policy is fully enabled for the...

PT-2025-52902

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the nbd genl connect function. This occurs when handling NBD CMD CONNECT and NBD CLEAR SOCK operations, specifically related to th...

[SECURITY] Fedora 41 Update: libnbd-1.22.5-1.fc41

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...

[SECURITY] Fedora 42 Update: libnbd-1.22.5-1.fc42

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...

PT-2025-52908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free UAF issue within the Network Block Device NBD subsystem. The issue occurs in the recv work function when handling NBD CLEAR SOCK and NBD CMD...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990447)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990447 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbdallocconfig and module removal When nbd module is being removing,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990636)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990636 advisory. 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...

[SECURITY] Fedora 43 Update: libnbd-1.23.10-1.fc43

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...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989701)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989701 advisory. 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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988996)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988996 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbdallocconfig and module removal When nbd module is being removing,...