AZL-71396 CVE-2025-40248 affecting package kernel for versions less than 6.6.119.3-1

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40248

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

UBUNTU-CVE-2025-40258

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race condition in mptcpschedulework syzbot reported use-after-free in mptcpschedulework 1 Issue here is that mptcpschedulework schedules a work, then gets a refcount on sk-skrefcnt if the work was scheduled. This...

CVE-2025-40258 mptcp: fix race condition in mptcp_schedule_work()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race condition in mptcpschedulework syzbot reported use-after-free in mptcpschedulework 1 Issue here is that mptcpschedulework schedules a work, then gets a refcount on sk-skrefcnt if the work was scheduled. This...

CVE-2025-40258 mptcp: fix race condition in mptcp_schedule_work()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race condition in mptcpschedulework syzbot reported use-after-free in mptcpschedulework 1 Issue here is that mptcpschedulework schedules a work, then gets a refcount on sk-skrefcnt if the work was scheduled. This...

EUVD-2025-201209

In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect if already established During connect, acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connect invoking vsocktransportcancelpkt -...

CVE-2025-40240

The CVE CVE-2025-40240 is a Linux kernel SCTP vulnerability. The issue was a NULL dereference when processing a chunk data buffer that is missing; chunk->skb could be dereferenced in the if-block intended to handle NULL, unless frag_list is checked and the replacement of chunk->skb occurs j...

CVE-2025-40240 sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

CVE-2025-40240 sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

CVE-2025-40231 vsock: fix lock inversion in vsock_assign_transport()

In the Linux kernel, the following vulnerability has been resolved: vsock: fix lock inversion in vsockassigntransport Syzbot reported a potential lock inversion deadlock between vsockregistermutex and sklock-AFVSOCK when vsocklinger is called. The issue was introduced by commit 687aa0c5581b "vsoc...

kernel: udp: Fix memory accounting leak.

A memory overflow vulnerability exists within the Linux kernel's networking subsystem. Specifically, an application can set the SORCVBUF socket option to its maximum value INTMAX, which triggers an integer overflow within the udprmemrelease function during socket closure. The udpdestructcommon...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from vsock incorrectly handling signals/timeouts when a connection has been established, potentially leading to...

Linux afs_open_socket Heap Buffer Overflow DoS

The vulnerability of the afsopensocket function in the fs/afs/rxrpc.c module of the Andrew File System support library in the Linux operating system is related to an uncontrolled recursion. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-41739

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

openSUSE 16 Security Update : tcpreplay (openSUSE-SU-2025-20119-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025-20119-1 advisory. - update to 4.5.2: features added since 4.4.4 - fix/recalculate header checksum for ipv6-frag - IPv6 frag checksum support - AFXDP socket suppor...

CVE-2025-41739

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect()

A flaw was found in the TCP subsystem in tcpdisconnect of the Linux kernel.The server-side TCP Fast Open socket was reused as a new client before the TFO socket completes, leading to an information leak...

CVE-2025-41739

CVE-2025-41739 affects the CODESYS Control runtime system (Linux and QNX). The issue is a race-condition in the system’s communication servers that allows an unauthenticated, remote attacker to trigger an out-of-bounds read via crafted socket communication, potentially leading to a denial of serv...

CVE-2025-41739 CODESYS Control - Linux/QNX SysSocket flaw

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...

CVE-2025-41739 CODESYS Control - Linux/QNX SysSocket flaw

An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service...