The vulnerability of the handshake_req_submit() function in the net/handshake/request.c module of the Linux operating system allows a hacker to gain access to protected information.

The vulnerability of the handshakereqsubmit function in the net/handshake/request.c module of the Linux operating system is related to the failure to release resources after their useful period has ended. Exploiting this vulnerability can allow an attacker to gain access to protected information...

CVE-2026-64523

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshakenlacceptdoit needs the file pointer backing req-hrsk-sksocket to survive the window between handshakereqnext and the subsequent FDPREPARE and getfile. The...

CVE-2026-63979

A flaw was found in the Linux kernel's net/handshake component. A race condition exists where a network handshake request can be removed and its associated file reference released concurrently while the accept-side code attempts to access it. This can lead to the system attempting to read from...

CVE-2026-63979

CVE-2026-63979: In the Linux kernel, a use-after-free-like window can occur during TLS handshakes in net/handshake where accept-side dereferences use sock->file via req->hr_sk->sk_socket. The fix retargets dereferences to req->hr_file (pinned at submit time) and adds an extra file ref...

CVE-2026-63979 net/handshake: hand off the pinned file reference to accept_doit

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

JLSEC-2026-737 TLS 1.3 post-handshake authentication (PHA) issue where a server could accept a client's Finished...

TLS 1.3 post-handshake authentication PHA issue where a server could accept a client's Finished message without the client having sent a Certificate and CertificateVerify. The post-handshake-auth exemption that allows an empty/absent peer certificate was only intended for the initial handshake, b...

UBUNTU-CVE-2025-71148

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshakereqsubmit replaces sk-skdestruct but never restores it when submission fails before the request is hashed. handshakeskdestruct then returns early and the original...

CVE-2025-68775

CVE-2025-68775 affects the Linux kernel’s net/handshake code. A duplicate handshake cancellation can leave the handshake entry in the rhashtbl and, if a second cancellation occurs without HANDSHAKE_F_REQ_COMPLETED being set, lead to a refcount underflow on the socket. The issue arises when a canc...

Cross-site Websocket Hijacking (CSWSH)

github.com/rancher/rancher is vulnerable to cross-site websocket hijacking CSWSH. It does not check the Origin header in the clients handshake request for trusted origin, allowing an attacker to send an authenticated request to Rancher Server using a Rancher with the privilege of a victim...

IBM Solid Database < 6.5 Service Pack 2 Handshake Request Username Field Remote Code Execution

Binary data 5599.prm...

SAP MaxDB Malformed Handshake Request Remote Code Execution

No description provided by source. !/usr/bin/python Exploit title: SAP MaxDB Malformed Handshake Request Remote Code Execution Date: 2010.03.26 Author: S2 Crew Hungary Software link: sap.comhttp://sap.com Version: 7.7.06.09 Tested on: Windows XP SP2 EN CVE: ZDI-10-032 Code: Trying 172.16.29.133...

SAP MaxDB Malformed Handshake Request Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of SAP MaxDB. Authentication is not required to exploit this vulnerability. The specific flaw exists within the serv.exe process which listens by default on TCP port 7210. The process trusts a value...