UBUNTU-CVE-2022-50314

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix hung when signal interrupts nbdstartdeviceioctl syzbot reported hung task 1. The following program is a simplified version of the reproducer: int mainvoid int sv2, fd; if socketpairAFUNIX, SOCKSTREAM, 0, sv recvthreads =...

Qemu: denial of service via improper synchronization in qemu nbd server during socket closure

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Linux Distros Unpatched Vulnerability : CVE-2022-26496

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xsk: Fix race condition in AFXDP generic RX path CVE-2025-37920 In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown CVE-2025-38064 In the...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups CVE-2025-22115 In the Linux kernel, the following vulnerability has been resolved: ublk: fix race between iouringcmdcompleteintask and...

Linux Distros Unpatched Vulnerability : CVE-2021-46981

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 t...

kernel: nbd: null check for nla_nest_start

In the Linux kernel, the following vulnerability has been resolved: nbd: null check for nlaneststart The Linux kernel CVE team has assigned CVE-2024-27025 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050107-CVE-2024-27025-babd@gregkh/T...

SUSE-SU-2025:02530-1 Security update for qemu

This update for qemu fixes the following issues: - CVE-2024-7409: Fixed denial of service via improper synchronization in QEMU NBD Server during socket closure bsc1229007...

CVE-2025-38443 nbd: fix uaf in nbd_genl_connect() error path

In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbdgenlconnect error path There is a use-after-free issue in nbd: block nbd6: Receive control failed result -104 block nbd6: shutting down sockets ==================================================================...

CVE-2025-38443

CVE-2025-38443 affects the Linux kernel (nbd subsystem). A use-after-free occurs in the nbd_genl_connect() error path when nbd_start_device() is called but cleanup continues to use nbd->config, leading to freeing of memory in recv_work. The issue is triggered during certain error paths after d...

CVE-2025-38443 nbd: fix uaf in nbd_genl_connect() error path

In the Linux kernel, the following vulnerability has been resolved: nbd: fix uaf in nbdgenlconnect error path There is a use-after-free issue in nbd: block nbd6: Receive control failed result -104 block nbd6: shutting down sockets ==================================================================...

kernel: nbd: always initialize struct msghdr completely

In the Linux kernel, the following vulnerability has been resolved: nbd: always initialize struct msghdr completely syzbot complains that msg-msggetinq value can be uninitialized 1 struct msghdr got many new fields recently, we should always make sure their values is zero by default. 1 BUG: KMSAN...

Astra Linux – Vulnerability in libnbd

A flaw was discovered 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...

TencentOS Server 4: libnbd (TSSA-2024:0622)

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-2024:0622 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005583 fixes several issues. The following security issues were fixed: CVE-2022-49080: mm/mempolicy: fix mpolnew leak in sharedpolicyreplace bsc1238324. CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900. CVE-2024-58013:...

Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005573 fixes several issues. The following security issues were fixed: CVE-2022-49080: mm/mempolicy: fix mpolnew leak in sharedpolicyreplace bsc1238324. CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900. CVE-2024-58013:...

SUSE-SU-2025:20388-1 Security update for kernel-livepatch-MICRO-6-0_Update_3

This update for kernel-livepatch-MICRO-6-0Update3 fixes the following issues: - CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-fr...

Security update for kernel-livepatch-MICRO-6-0_Update_2

This update for kernel-livepatch-MICRO-6-0Update2 fixes the following issues: CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Rea...

SUSE-SU-2025:20386-1 Security update for kernel-livepatch-MICRO-6-0_Update_2

This update for kernel-livepatch-MICRO-6-0Update2 fixes the following issues: - CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-fr...

Security update for kernel-livepatch-MICRO-6-0_Update_2

This update for kernel-livepatch-MICRO-6-0Update2 fixes the following issues: CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Rea...