UBUNTU-CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

CVE-2026-23442

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

CVE-2026-23442 ipv6: add NULL checks for idev in SRv6 paths

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

CVE-2026-23439

The CVE-2026-23439 entry describes a Linux kernel issue in udp_tunnel where, if CONFIG_IPV6 is disabled, udp_sock_create6() can return success without creating a socket. This leads to a NULL pointer dereference when callers like fou_create() dereference the uninitialized socket pointer, causing a...

Antrea has Missing Encryption of Sensitive Data

Impact This is a missing encryption vulnerability CWE-311 affecting inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec encryption enabled trafficEncryptionMode: ipsec, Antrea fails to apply encryption for IPv6 Pod traffic. While the IPv4 traffic is correctl...

Missing Encryption of Sensitive Data

Overview Affected versions of this package are vulnerable to Missing Encryption of Sensitive Data in the handling of inter-Node Pod traffic when dual-stack networking is configured with IPsec encryption enabled. An attacker can intercept and read sensitive IPv6 Pod traffic by monitoring network...

GHSA-QCMW-8MM4-4P28 Antrea has Missing Encryption of Sensitive Data

Impact This is a missing encryption vulnerability CWE-311 affecting inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec encryption enabled trafficEncryptionMode: ipsec, Antrea fails to apply encryption for IPv6 Pod traffic. While the IPv4 traffic is correctl...

CVE-2026-23442: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

CVE-2021-4477: Improper Access Control

Hirschmann HiLCOS OpenBAT and BAT450 products contain a firewall bypass vulnerability in IPv6 IPsec deployments that allows traffic from VPN connections to bypass configured firewall rules. Attackers can exploit this vulnerability by establishing IPv6 IPsec connections IKEv1 or IKEv2 while...

AlmaLinux 9 : grafana (ALSA-2026:6382)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:6382 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 Tenable has extracted the preceding description block directly from the AlmaLinux securi...

AlmaLinux 9 : grafana-pcp (ALSA-2026:6383)

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:6383 advisory. net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 Tenable has extracted the preceding description block directly from the AlmaLinux securi...

Linux Distros Unpatched Vulnerability : CVE-2026-25833

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509inetptonipv6 function CVE-2026-25833 Note that Nessus relies on the presence o...

HTTPS Fetch, Windows Command Shell, Bind IPv6 TCP Stager with UUID Support (Windows x86)

Fetch and execute an x86 payload from an HTTPS server. Spawn a piped command shell staged. Listen for an IPv6 connection with UUID Support Windows x86 Module Options msf use payload/cmd/windows/https/x86/shell/bindipv6tcpuuid msf payloadbindipv6tcpuuid show actions ...actions... msf...

HTTPS Fetch, Windows Upload/Execute, Bind IPv6 TCP Stager with UUID Support (Windows x86)

Fetch and execute an x86 payload from an HTTPS server. Uploads an executable and runs it staged. Listen for an IPv6 connection with UUID Support Windows x86 Module Options msf use payload/cmd/windows/https/x86/upexec/bindipv6tcpuuid msf payloadbindipv6tcpuuid show actions ...actions... msf...

HTTPS Fetch, Windows shellcode stage, Bind IPv6 TCP Stager (Windows x86)

Fetch and execute an x86 payload from an HTTPS server. Custom shellcode stage. Listen for an IPv6 connection Windows x86 Module Options msf use payload/cmd/windows/https/x86/custom/bindipv6tcp msf payloadbindipv6tcp show actions ...actions... msf payloadbindipv6tcp set ACTION msf payloadbindipv6t...

HTTPS Fetch, Bind IPv6 TCP Stager with UUID Support (Windows x86)

Fetch and execute an x86 payload from an HTTPS server. Listen for an IPv6 connection with UUID Support Windows x86 Module Options msf use payload/cmd/windows/https/x86/dllinject/bindipv6tcpuuid msf payloadbindipv6tcpuuid show actions ...actions... msf payloadbindipv6tcpuuid set ACTION msf...

HTTP Fetch, Windows Upload/Execute, Bind IPv6 TCP Stager with UUID Support (Windows x86)

Fetch and execute an x86 payload from an HTTP server. Uploads an executable and runs it staged. Listen for an IPv6 connection with UUID Support Windows x86 Module Options msf use payload/cmd/windows/http/x86/upexec/bindipv6tcpuuid msf payloadbindipv6tcpuuid show actions ...actions... msf...

HTTP Fetch, Reverse TCP Stager (IPv6)

Fetch and execute an x86 payload from an HTTP server. Connect back to the attacker over IPv6 Module Options msf use payload/cmd/windows/http/x86/dllinject/reverseipv6tcp msf payloadreverseipv6tcp show actions ...actions... msf payloadreverseipv6tcp set ACTION msf payloadreverseipv6tcp show option...