PT-2026-8208

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's IPv6 implementation related to ECMP Equal-Cost Multi-Path routing. Specifically, a mismatch in sibling counts can occur when clearing the RTF ADDRCONF...

CVE-2022-50816

In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug in ip6gre tunnel dev:ip6gretap0 Since ipv6 mcast code makes sure to read dev-mtu once and applies a sanity check on it see commit...

PT-2025-53934

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 Description The Linux kernel contained a flaw in the IPv6 tunnel implementation. Specifically, the code did not properly sanitize the Maximum Transmission Unit MTU value,...

SUSE CVE-2022-50783

In the Linux kernel, the following vulnerability has been resolved: mptcp: use proper req destructor for IPv6 Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6. It is important to use the right destructor to avoid memory leaks with some advanced IPv...

Linux Distros Unpatched Vulnerability : CVE-2022-50783

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: use proper req destructor for IPv6 Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6. It is important to...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

python: Improper validation of IPv6 and IPvFuture addresses

A flaw was found in Python. The urllib.parse.urlsplit and urlparse functions improperly validated bracketed hosts , allowing hosts that weren't IPv6 or IPvFuture compliant. This behavior was not conformant to RFC 3986 and was potentially vulnerable to server-side request forgery SSRF if a URL is...

CVE-2025-66647

The CVE concerns RIOT OS IPv6 fragmentation reassembly in the gnrc_ipv6_ext_frag module. Copying the first fragment (offset=0) into the reassembly buffer lacks a size check, enabling an attacker to create a small buffer by sending a shorter initial fragment and potentially overflow other packet b...

SUSE CVE-2025-40363

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix field-spanning memcpy warning in AH output Fix field-spanning memcpy warnings in ah6output and ah6outputdone where extension headers are copied to/from IPv6 address fields, triggering fortify-string warnings about...

CVE-2025-13823

CVE-2025-13823 affects Rockwell Automation Micro850 and Micro870 controllers in their IPv6 stack. When receiving multiple malformed packets during fuzzing, the controllers enter a recoverable fault with fault code 0xFE60. To recover, the fault must be cleared. Several connected advisories corrobo...

PT-2025-49712

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.4.0-next-20230707-00001-g84e2cad7f979 Description The Linux kernel contains a flaw within the ipv6 vti module, specifically in the decode session6 function, that can lead to a slab-use-after-free condition. Thi...

CVE-2025-40282

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has headerops, so it must set link-local header for RX skb, otherwise things crash, eg. with AFPACKET SOCKRAW Add missing skbresetmacheader...

PT-2025-49383

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Bluetooth 6lowpan implementation within the Linux kernel. Specifically, the code lacks proper handling of link-local headers during the reception of IPv6 packets,...

SUSE SLED15: cluster-md-kmp-64kb / cluster-md-kmp-default / dlm-kmp-64kb / etc (SUSE-SU-2025:4140-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4140-1 advisory. The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following...

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...

UBUNTU-CVE-2025-40173

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

Suricata IDPE 8.0.2

Suricata is a network intrusion detection and prevention engine developed by the Open Information Security Foundation and its supporting vendors. The engine is multi-threaded and has native IPv6 support. It's capable of loading existing Snort rules and signatures and supports the Barnyard and...

Important: oci-add-hooks

Issue Overview: net/url: insufficient validation of bracketed IPv6 hostnames The Parse function permitted values other than IPv6 addresses to be included in square brackets within the host component of a URL. RFC 3986 permits IPv6 addresses to be included within the host component, enclosed withi...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988828)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988828 advisory. In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we try to add an IPv6...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989164)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989164 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: fix another slab-out-of-bounds in fib6nhflushexceptions While running the self-tests on a...