SUSE CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993088)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993088 advisory. In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992803)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992803 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: cdg: allow tcpcdgrelease to be called multiple times Apparently, mptcp is able to call...

Linux Distros Unpatched Vulnerability : CVE-2023-54176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected stat...

EUVD-2023-60465

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

UBUNTU-CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176 mptcp: stricter state check in mptcp_worker

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176

Mode C: Concrete details present. CVE-2023-54176 affects the Linux kernel MPTCP path where mptcp_worker could run while the msk socket was in an unexpected state (connect/fastclose sequence leading to a partition crash). The fix implements a stricter state check in mptcp_worker by preventing exec...

Linux Distros Unpatched Vulnerability : CVE-2022-50783

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: use proper req destructor for IPv6 Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6. It is important to...

Linux Distros Unpatched Vulnerability : CVE-2025-68221

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mptcp: fix address removal logic in mptcppmnlrmaddr Fix inverted WARNONONCE condition that prevented normal address removal counter updates. The current code on...

AZL-74172 CVE-2025-68291 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

CVE-2025-68291

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

CVE-2025-68291 mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

CVE-2025-68291 mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

Linux kernel 安全漏洞

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 mptcpdofastclose not initializing rcvmss, which could lead to a divide-by-zero error...

The vulnerability of the mptcp_schedule_work() function in the net/mptcp/protocol.c module of the MPTCP protocol implementation in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the mptcpschedulework function in the net/mptcp/protocol.c module of the MPTCP protocol implementation in the Linux operating system is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can allow a malicious actor t...

AZL-71380 CVE-2025-40258 affecting package kernel for versions less than 6.6.119.3-1

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

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...