CVE-2023-40296

CVE-2023-40296 async-sockets-cpp through 0.3.1 contains an off-by-one buffer overflow vulnerability in static void ReceiveFromUDPSocket udpSocket at udpsocket.hpp, around lines 160-167. The buffer overflow affects all corresponding UDP servers. The remote buffer overflow can be triggered by...

Linux Distros Unpatched Vulnerability : CVE-2026-98849

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pfcp: fix socket lifetime on netdevice registration failure pfcpnewlink creates the UDP socket before registernetdevice. If registration fails after pfcpdevinit...

Linux Kernel Security Vulnerabilities

The Linux kernel version 6.13 contains a security vulnerability. This vulnerability arises from the fact that the UDP socket is disconnected from the quadruplet hash table, but the hash count remains retained. As a result, data packets are still processed through quadruplet lookups, which may lea...

SUSE CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

DEBIAN-CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

AZL-106305 CVE-2026-98276 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

UBUNTU-CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

CVE-2026-98276 net: lock the socket in sock_gettstamp()

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

EUVD-2026-93204

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

CVE-2026-98276: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP/UDP: Fixed memory leaks related to sk and zerocopy SKBS with TX timestamps. Syzkaller reported 0 memory leaks of an UDP socket and ZEROCOPY SKBS. We can reproduce this issue with the following sequence: sk = socketAFINET,...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053420)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053420 advisory. In the Linux kernel, the following vulnerability has been resolved: inetdiag: fix kernel-infoleak for UDP sockets KMSAN reported a kernel-infoleak 1, that can...

SUSE CVE-2026-68386

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject unhashed UDP sockets on sockmap update UDP sockets get SOCKRCUFREE set when auto-bound. This means skisrefcountedunbound = true, while skisrefcountedbound = false. Because sockmap accepts unbound UDP sockets,...

CVE-2026-73214

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, dtlsserverinputhandler and createnewconnectedudpsocket in src/apps/relay/dtlslistener.c retain OpenSSL dtls1reassemblefragment state for a 35-byte fragmented ClientHello declaring a 650,000-byte handshake before...

CVE-2026-68386

A flaw was found in the Linux kernel. A local attacker with BPF program capabilities could exploit a vulnerability in the BPF sockmap feature. This occurs when a BPF program increments the reference count of an unbound UDP socket, and the socket is subsequently bound. This sequence of events caus...

bpf, sockmap: Reject unhashed UDP sockets on sockmap update

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PT-2026-70829

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.16.0 Description The dtls server input handler and create new connected udp socket functions in src/apps/relay/dtls listener.c retain the state of the OpenSSL dtls1 reassemble fragment function when processing a...

CVE-2026-68342 ovpn: avoid putting unrelated P2P peer on socket release

In the Linux kernel, the following vulnerability has been resolved: ovpn: avoid putting unrelated P2P peer on socket release ovpnpeerreleasep2p is called when an OVPN UDP socket is being destroyed. It checks the currently published P2P peer and releases it only if that peer still uses the socket...