SUSE: Security Advisory (SUSE-SU-2026:0474-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21766)

ipv4: use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

CVE-2025-21766

creationtimestamp| type| source ---|---|--- 2025-06-12 10:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-05 2025-12-03 14:14:49+00:00| seen| https://vulnerability.circl.lu/bundle/816dcc8e-f25a-4895-9b59-1bbd9caeccb8 2026-04-02 17:00:00+00:00| seen|...

Linux Distros Unpatched Vulnerability : CVE-2025-21766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear. CVE-2025-21766 Not...

BELL-CVE-2025-21766

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CVE-2025-21766

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear...

CVE-2025-21766

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear...

CVE-2025-21766

CVE-2025-21766 concerns the Linux kernel IPv4 path. The issue is in __ip_rt_update_pmtu(), which must use Read-Copy-Update (RCU) protection to ensure the net structure it reads cannot disappear during updates. The available connected documents confirm this vulnerability is tied to incorrect locki...

CVE-2025-21766

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear...