PT-2026-102493

Name of the Vulnerable Software and Affected Versions U-Boot versions prior to 2026.07 Description When configured with the CONFIG IP DEFRAG=y parameter, the software fails to clear the IP reassembly state after delivering a complete datagram. This allows an attacker capable of delivering...

CVE-2026-46352 Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protoc...

PT-2026-86711

In the Linux kernel, the following vulnerability has been resolved: inet: frags: strip GSO state from fragments before reassembly A virtio net hdr tun/tap, or AF PACKET with PACKET VNET HDR can mark an IPv4 or IPv6 fragment as GSO; nothing relates gso type to frag off. inet frag reasm prepare/ine...

SUSE CVE-2026-23016

In the Linux kernel, the following vulnerability has been resolved: inet: frags: drop fraglist conntrack references Jakub added a warning in nfconntrackcleanupnetlist to make debugging leaked skbs/conntrack references more obvious. syzbot reports this as triggering, and I can also reproduce this...

SUSE CVE-2025-40074

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

AZL-68894 CVE-2025-40074 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

UBUNTU-CVE-2025-40074

In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dstdevrcu Change icmpv4xrlimallow, ipdefrag to prevent possible UAF. Change ipmrpreparexmit, ipmrqueuefwdxmit, ipmroutput, ipv4neighlookup to use lockdep enabled dstdevrcu...

kernel: inet: inet_defrag: prevent sk release while still in use

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

LSN-0109-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and cryptoaeaddecrypt returns -EBUSY, tlsdodecryption will wait until all async decryptions have completed. If one of them fails,...

CVE-2024-26921

CVE-2024-26921 affects the Linux kernel inet_defrag path. The issue arises when ip_local_out() and similar calls pass skb->sk as an argument and the skb is a fragment undergoing reassembly; if reassembly happens before the call returns, the socket (skb->sk) must not be released. This can oc...