CVE-2025-30646

CVE-2025-30646 affects Junos OS and Junos OS Evolved. A Signed to Unsigned Conversion Error in the Layer 2 Control Protocol daemon (l2cpd) allows an unauthenticated adjacent attacker to cause the l2cpd process to crash and restart by sending a specially formed LLDP TLV, yielding a Denial of Servi...

PT-2025-15854 · Juniper Networks · Junos Evolved +1

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 21.2R3-S9 Junos OS versions from 21.4 before 21.4R3-S10 Junos OS versions from 22.2 before 22.2R3-S6 Junos OS versions from 22.4 before 22.4R3-S6 Junos OS versions from 23.2 before 23.2R2-S3 Junos OS versions from...

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...

Juniper Junos OS Vulnerability (JSA96456)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA96456 advisory. - A Signed to Unsigned Conversion Error vulnerability in the Layer 2 Control Protocol daemon l2cpd of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows ...

PT-2025-18396

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, which could lead to a use-after-free read when sending messages using the sctp sendmsg function. This occurs when another thread...

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...

The vulnerability of the sctp_sf_ootb() function in the net/sctp/sm_statefuns.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the sctpsfootb function in the net/sctp/smstatefuns.c module of the Linux kernel is related to insufficient validation of input data. Exploiting this vulnerability could 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...

sctp: sysctl: rto_min/max: avoid using current->nsproxy

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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-2022-49630

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...

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...

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...