kernel: tcp: make sure init the accept_queue's spinlocks once

In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the acceptqueue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at...

PT-2025-38559

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the TCP-AO failure handling for IPv6 within the Linux kernel. Specifically, when tcp ao copy all matching fails in tcp v6 syn recv sock, the function exits withou...

The vulnerability of the TCP/IP protocol implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the TCP/IP protocol implementation in Windows operating systems is related to the use of unsafe mechanisms for processing authentication data in the operating system’s memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the TCP component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the TCP component in the Linux operating system’s kernel is related to the assignment of the NULL pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2025-16741

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug in the Linux kernel's network library has been resolved. The issue occurred because the hardware only supports L4 checksum offload for TCP/UDP/SCTP protocols, but the software...

tcp: Fix use-after-free of nreq in reqsk_timer_handler().

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kernel: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets

In the Linux kernel, the following vulnerability has been resolved: tcp: defer shutdownSENDSHUTDOWN for TCPSYNRECV sockets TCPSYNRECV state is really special, it is only used by cross-syn connections, mostly used by fuzzers. In the following crash 1, syzbot managed to trigger a divide by zero in...

SUSE CVE-2022-49601

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctltcpfwmarkaccept. While reading sysctltcpfwmarkaccept, it can be changed concurrently. Thus, we need to add READONCE to its reader...

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 incorrect handling of window advertisements by tcp under extreme memory pressure...

DEBIAN-CVE-2022-49601

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctltcpfwmarkaccept. While reading sysctltcpfwmarkaccept, it can be changed concurrently. Thus, we need to add READONCE to its reader...

DEBIAN-CVE-2022-49588

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmigratereq. While reading sysctltcpmigratereq, it can be changed concurrently. Thus, we need to add READONCE to its readers...

UBUNTU-CVE-2022-49601

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctltcpfwmarkaccept. While reading sysctltcpfwmarkaccept, it can be changed concurrently. Thus, we need to add READONCE to its reader...

UBUNTU-CVE-2022-49571

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmaxreordering. While reading sysctltcpmaxreordering, it can be changed concurrently. Thus, we need to add READONCE to its readers...

UBUNTU-CVE-2022-49630

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpecnfallback. While reading sysctltcpecnfallback, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49593 tcp: Fix a data-race around sysctl_tcp_probe_interval.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpprobeinterval. While reading sysctltcpprobeinterval, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49585 tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpfastopenblackholetimeout. While reading sysctltcpfastopenblackholetimeout, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49571 tcp: Fix data-races around sysctl_tcp_max_reordering.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmaxreordering. While reading sysctltcpmaxreordering, it can be changed concurrently. Thus, we need to add READONCE to its readers...

PT-2025-8504 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists around sysctl tcp max reordering in the Linux kernel. The value of sysctl tcp max reordering can be changed concurrently while it is being read, which requires...

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 tcp not properly handling tp-sndcwnd access and settings...

Security Bulletin: This Power System update is being released to address CVE-2023-52881

Summary This affects the BMC's network transmission control protocol TCP interface which affects aspects of interfaces that use TCP including the BMC's secure shell SSH, HTTPS interfaces including the BMC's webserver, REST APIs, and ASMi web application, and event and subscriptions services. An...