Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtionet: Added a check for hashkeylength. A check for hashkeylength was added in virtnetprobe to avoid possible out-of-bounds errors when setting/read the hash key...

PT-2026-94490

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the virtio net driver where the virtnet rx resize function fails to resize the rq-xsk buffs XSK buffer array when an AF XDP socket is attached. If the ring size...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed an issue with error unwinding of XDP initialization. When initializing XDP in virtnetopen, some rq xdp initializations may encounter errors, resulting in failed network device openings. However, previous rqs have...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: virtionet: Fixed a misalignment bug in the struct virtnetinfo structure. Use the new TRAILINGOVERLAP helper to fix the misalignment bug, along with the following warning: drivers/net/virtionet.c:429:46: warning: Structure...

CVE-2026-23143

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

CVE-2026-23143

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

CVE-2026-23143 virtio_net: Fix misalignment bug in struct virtnet_info

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

CVE-2026-23143 virtio_net: Fix misalignment bug in struct virtnet_info

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

EUVD-2026-5501

In the Linux kernel, the following vulnerability has been resolved: virtionet: fix device mismatch in devmkzalloc/devmkfree Initial rsshdr allocation uses virtiodevice-device, but virtnetsetqueues frees using netdevice-device. This device mismatch causing below devres warning 3788.514041...

CVE-2026-23046

CVE-2026-23046 relates to a Linux kernel vulnerability in virtio_net where an allocation (rss_hdr) used virtio_device->device but deallocation used net_device->device, causing devres warnings. Multiple connected advisories (SUSE, Red Hat, Ubuntu, Debian, OSV, NVD) confirm the fix: the alloc...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000713)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000713 advisory. The virtnetprobe function in drivers/net/virtionet.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which...

virtio_net Heap Buffer Overflow DoS

Vulnerability of the virtnetenablequeuepair function in the drivers/net/virtionet.c module – The Linux kernel’s network device driver support mechanism is related to operations involving resources after their expiration. Exploiting this vulnerability can allow an attacker to cause service failure...

EUVD-2025-31894

Malicious code in bioql PyPI...

SUSE CVE-2023-53499

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix error unwinding of XDP initialization When initializing XDP in virtnetopen, some rq xdp initialization may hit an error causing net device open failed. However, previous rqs have already initialized XDP and enabled...

UBUNTU-CVE-2023-53499

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix error unwinding of XDP initialization When initializing XDP in virtnetopen, some rq xdp initialization may hit an error causing net device open failed. However, previous rqs have already initialized XDP and enabled...

CVE-2023-53499 virtio_net: Fix error unwinding of XDP initialization

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix error unwinding of XDP initialization When initializing XDP in virtnetopen, some rq xdp initialization may hit an error causing net device open failed. However, previous rqs have already initialized XDP and enabled...

CVE-2023-53499

The CVE-2023-53499 vulnerability stems from virtio_net XDP initialization handling in virtnet_open(): an error during rq XDP init could leave previously initialized XDP and NAPI enabled, causing leaks during error unwinding. The fix rolls back prior rq initialization on error, and extracts/uses h...

virtio-net: fix overflow inside virtnet_rq_alloc

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Linux Distros Unpatched Vulnerability : CVE-2025-37955

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: virtio-net: free xskbuffs on error in virtnetxskpoolenable The selftests added to our CI by...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: virtio-net: A memory leak occurs in the virtnetxskpoolenable function when freeing the xskbuffs. The selftests added to our CI by Bui Quang Minh recently revealed that there is a memory leak in the error path of...