UBUNTU-CVE-2022-50676

In the Linux kernel, the following vulnerability has been resolved: net: rds: don't hold sock lock when cancelling work from rdstcpresetcallbacks syzbot is reporting lockdep warning at rdstcpresetcallbacks 1, for commit ac3615e7f3cffe2a "RDS: TCP: Reduce code duplication in rdstcpresetcallbacks"...

UBUNTU-CVE-2025-59030

An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: sctp: linearize cloned gso packets in sctp_rcv

A flaw use of uninitialized memory uncontrolled and invisible by attacker in the Linux kernel SCTP transport protocol was found in the way user triggers malicious SCTP packets. A remote user could use this flaw to crash the system. The bug actual only for systems where SCTP protocol being enabled...

CVE-2025-40820

CVE-2025-40820 describes a vulnerability in Siemens’ IP stack (Interniche TCP/IP) affecting multiple Siemens products. The issue arises from improper enforcement of TCP sequence number validation, permitting an unauthenticated remote attacker to interfere with connection setup in TCP-based servic...

CVE-2025-59030 Insufficient validation of incoming notifies over TCP can lead to a denial of service in Recursor

An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP...

CVE-2025-40331 sctp: Prevent TOCTOU out-of-bounds write

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

CVE-2025-40331

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

UBUNTU-CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

CVE-2023-53781 smc: Fix use-after-free in tcp_write_timer_handler().

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

sctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto

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sctp: avoid NULL dereference when chunk data buffer is missing

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SUSE CVE-2025-40240

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...

UBUNTU-CVE-2025-40240

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

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...

RLSA-2025:22388 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: handle getclientlocked failure in nfsd4setclientidconfirm CVE-2025-38724 kernel: smb: client: fix race with concurrent opens in rename2 CVE-2025-39825 kernel: mm/memory-failure: fix...

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...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2025-55222

CVE-2025-55222 affects Socomec DIRIS Digiware M-70 gateway (firmware 1.6.9). A DoS can be triggered by unauthenticated crafted Modbus TCP or Modbus RTU over TCP messages (USB Function), on port 503, causing device unresponsiveness. TALOS details confirm the vulnerability exists in Modbus TCP/RTU ...

kernel: Linux kernel: Privilege escalation or Denial of Service via TCP Fast Open vulnerability

A flaw was found in the Linux kernel. A local attacker with low privileges could exploit a memory corruption vulnerability, specifically a use-after-free and double-free, within the TCP Fast Open TFO socket processing. This occurs when a listener is closed while a TFO socket is being processed in...