virtio_net: Fix UAF on dst_ops when IFF_XMIT_DST_RELEASE is cleared and napi_tx is false

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SUSE CVE-2026-31469

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

CVE-2026-31469

A flaw was found in the Linux kernel's virtionet driver. A local user can trigger a Use-After-Free UAF vulnerability by configuring the driver with specific network settings and then destroying the network namespace while data packets are still being transmitted. This premature freeing of network...

CVE-2026-31469

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

CVE-2026-31469 virtio_net: Fix UAF on dst_ops when IFF_XMIT_DST_RELEASE is cleared and napi_tx is false

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

CVE-2026-31469

The CVE-2026-31469 issue affects the Linux kernel virtio_net driver, where a Use-After-Free can occur when IFF_XMIT_DST_RELEASE is cleared and napi_tx is disabled, if the network namespace is destroyed while pending skbs remain in the transmit path. The root cause is the dst_ops reference being f...

CVE-2026-31469 virtio_net: Fix UAF on dst_ops when IFF_XMIT_DST_RELEASE is cleared and napi_tx is false

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

Linux Distros Unpatched Vulnerability : CVE-2026-31469

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and...

The vulnerability of the receive_mergeable() function in the drivers/net/virtio_net.c file of the Linux kernel’s network device driver allows a hacker to cause a service failure.

The vulnerability of the receivemergeable function in the drivers/net/virtionet.c file of the Linux kernel’s network device driver is related to improper memory release memory leak. Exploiting this vulnerability could allow an attacker to cause a system failure...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011004)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011004 advisory. In the Linux kernel, the following vulnerability has been resolved: virtionet: fix xdprxqinfo bug after suspend/resume The following sequence currently causes a driv...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013327 advisory. In the Linux kernel, the following vulnerability has been resolved: net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed...

NVIDIA Networking VIRTIO-Net, SNAP4 Vulnerabilities - Lenovo Support US

No description provided...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006661)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006661 advisory. In the Linux kernel, the following vulnerability has been resolved: virtionet: fix memory leak inside XPDTX with mergeable When we call xdpconvertbufftoframe to get...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006653)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006653 advisory. In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix error unwinding of XDP initialization When initializing XDP in virtnetopen, some r...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1495)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1495 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue CVE-2025-40083 In the Linux kernel, the following vulnerability has been...

EUVD-2026-15307

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23340

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23340: Use After Free

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

Linux Distros Unpatched Vulnerability : CVE-2026-23340

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls...

Security Bulletin: NVIDIA SNAP4 - March 2026

To protect your system, download and install the latest NVIDIA components from the links provided in this document. Go to NVIDIA Product Security. Details This section provides a summary of potential vulnerabilities that this security update addresses and their impact. Descriptions use CWE™, and...