ovn: ovn: Heap Over-Read in ICMP Error Response Generation - security issue

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CVE-2026-5265

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CVE-2026-5265 Ovn: ovn: heap over-read in icmp error response generation - security issue

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CVE-2026-5265

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

EUVD-2025-206403

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

CVE-2025-55102

Technical details about CVE-2025-55102 are not publicly provided in the supplied documents. Monitor for updates from vendors and security advisories.

CVE-2025-55102

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

PT-2026-4936

A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A specially crafted network packet of "Packet Too Big" with more than 15 different source address can lead to denial of service. An attacker can send a malicious packet to trigger this...

Linux Distros Unpatched Vulnerability : CVE-2016-10142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the IPv6 protocol specification, related to ICMP Packet Too Big PTB messages. The scope of this CVE is all affected IPv6...

SUSE-SU-2024:3694-1 Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005549 fixes several issues. The following security issues were fixed: - CVE-2024-35861: Fixed potential UAF in cifssignalcifsdforreconnect bsc1225312. - CVE-2024-36899: gpiolib: cdev: Fix use after free in lineinfochangednotify bsc1225739. -...

SUSE-SU-2024:3631-1 Security update for the Linux Kernel RT (Live Patch 10 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505001335 fixes several issues. The following security issues were fixed: - CVE-2024-35861: Fixed potential UAF in cifssignalcifsdforreconnect bsc1225312. - CVE-2024-36899: gpiolib: cdev: Fix use after free in lineinfochangednotify bsc1225739. -...

kernel: ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU

A flaw in the routing table size was found in the ICMPv6 handling of "Packet Too Big". The size of the routing table is regulated by periodic garbage collection. However, with "Packet Too Big Messages" it is possible to exceed the routing table size and garbage collector threshold. A user located...

kernel: ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU

A flaw in the routing table size was found in the ICMPv6 handling of "Packet Too Big". The size of the routing table is regulated by periodic garbage collection. However, with "Packet Too Big Messages" it is possible to exceed the routing table size and garbage collector threshold. A user located...

SUSE SLES15 Security Update : kernel RT (Live Patch 10 for SLE 15 SP5) (SUSE-SU-2024:1273-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2024:1273-1 advisory. - When a router encounters an IPv6 packet too big to transmit to the next-hop, it returns an ICMP6 Packet Too Big PTB message to the sender. The sender...

SUSE SLES15 Security Update : kernel (Live Patch 40 for SLE 15 SP2) (SUSE-SU-2024:1257-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1257-1 advisory. - An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of t...