CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23381

A flaw was found in the Linux kernel's network bridging component. When Internet Protocol version 6 IPv6 is explicitly disabled, a critical data structure for Neighbor Discovery is not properly initialized. A remote attacker could exploit this by sending a specially crafted Internet Control Messa...

PT-2026-46029

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the handling of RAW sockets using the IPPROTO RAW protocol. A malicious incoming ICMP packet can have its protocol field set to 255, allowing it to match a socket...

CVE-2026-21906

An Improper Handling of Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated network-based attacker sending a specific ICMP packet through a GRE tunnel to cause the PFE to crash and restart. When PowerMode...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004315)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004315 advisory. A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass...

CVE-2026-21906

CVE-2026-21906 overview (Junos OS SRX Series) A vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on SRX Series can be triggered by a specific ICMP packet routed through a GRE tunnel when PowerMode IPsec (PMI) and GRE performance acceleration are enabled. An unauthe...

EUVD-2026-2681

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS allows an unauthenticated, network-adjacent attacker sending a specifically malformed ICMP packet to cause an FPC to crash and restart, resulting in a Denial of Service DoS. When an ICMP...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002327 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allow...

EUVD-2025-34870

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxicmpv6validateoptions when handling a packet with ICMP6 options...

Huawei EulerOS: Security Advisory for iputils (EulerOS-SA-2025-2229)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 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...

CVE-2025-11616

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...

CVE-2025-11616 Buffer Over-read when receiving improperly sized ICMPv6 packets in FreeRTOS-Plus-TCP

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...

CVE-2025-11616 Buffer Over-read when receiving improperly sized ICMPv6 packets in FreeRTOS-Plus-TCP

A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest...

FreeRTOS-Plus-TCP 安全漏洞

FreeRTOS-Plus-TCP is an extensible open source and thread-safe TCP/IP stack for FreeRTOS. A security vulnerability exists in FreeRTOS-Plus-TCP that stems from a lack of validation checks in the ICMPv6 packet processing code, which could lead to out-of-bounds reads...

UBUNTU-CVE-2023-53600

In the Linux kernel, the following vulnerability has been resolved: tunnels: fix kasan splat when generating ipv4 pmtu error If we try to emit an icmp error in response to a nonliner skb, we get BUG: KASAN: slab-out-of-bounds in ipcomputecsum+0x134/0x220 Read of size 4 at addr ffff88811c50db00 by...

OESA-2025-2157 iputils security update

The iputils package contains basic utilities for monitoring a network, including ping. The ping command sends a series of ICMP protocol ECHOREQUEST packets to a specified network host to discover whether the target machine is alive and receiving network traffic. Security Fixes: ping in iputils...

OESA-2025-2156 iputils security update

The iputils package contains basic utilities for monitoring a network, including ping. The ping command sends a series of ICMP protocol ECHOREQUEST packets to a specified network host to discover whether the target machine is alive and receiving network traffic. Security Fixes: ping in iputils...

net: Fix icmp host relookup triggering ip_rt_bug

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EulerOS 2.0 SP11 : iputils (EulerOS-SA-2025-1930)

According to the versions of the iputils package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ping in iputils through 20240905 allows a denial of service application error or incorrect data collection via a crafted ICMP Echo Reply packet,...

Linux Distros Unpatched Vulnerability : CVE-2023-6200

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A race condition was found in the Linux Kernel. Under certain conditions, an unauthenticated attacker from an adjacent network could send an ICMPv6 router...