UBUNTU-CVE-2023-53490

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix disconnect vs accept race Despite commit 0ad529d9fd2b "mptcp: fix possible divide by zero in recvmsg", the mptcp protocol is still prone to a race between disconnect or shutdown and accept. The root cause is that the...

CVE-2023-53490

Mode C: CVE-2023-53490 affects the Linux kernel’s MPTCP implementation, describing a race between disconnect/shutdown and accept that could lead to a kernel NULL pointer dereference. The root cause is that mptcp_stream_accept() did not take the msock lock consistently with the msk-level flag chec...

CVE-2023-53490 mptcp: fix disconnect vs accept race

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix disconnect vs accept race Despite commit 0ad529d9fd2b "mptcp: fix possible divide by zero in recvmsg", the mptcp protocol is still prone to a race between disconnect or shutdown and accept. The root cause is that the...

CVE-2023-53490 mptcp: fix disconnect vs accept race

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix disconnect vs accept race Despite commit 0ad529d9fd2b "mptcp: fix possible divide by zero in recvmsg", the mptcp protocol is still prone to a race between disconnect or shutdown and accept. The root cause is that the...

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 Linux kernel that stems from a race condition between disconnect and accept connections that could lead to a null pointer dereference...

CVE-2025-11130

A weakness has been identified in iHongRen pptp-vpn 1.0/1.0.1 on macOS. This issue affects the function shouldAcceptNewConnection of the file HelpTool/HelperTool.m of the component XPC Service. This manipulation causes missing authentication. The attack can only be executed locally. The exploit h...

The vulnerability of the erdma_accept_newconn() function in the drivers/infiniband/hw/erdma/erdma_cm.c file of the Linux kernel allows a hacker to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the erdmaacceptnewconn function in the drivers/infiniband/hw/erdma/erdmacm.c file of the Linux kernel is related to the use of memory after it has been freed. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and cause...

Configure the Default Policies of iptables to DROP Properly

Generally, iptables policies can be configured in allowlist or blocklist mode. You are advised to configure iptables policies in allowlist mode. Connections that do not comply with the rules in the allowlist are prohibited. Therefore, you can configure the DROP or REJECT policy for the INPUT,...

Linux Distros Unpatched Vulnerability : CVE-2025-59692

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT...

DEBIAN-CVE-2025-39860

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use-after-free in l2capsockcleanuplisten syzbot reported the splat below without a repro. In the splat, a single thread calling btacceptdequeue freed sk and touched it after that. The root cause would be the racy...

CVE-2025-39860

CVE-2025-39860 – Linux kernel Bluetooth UAF in l2cap_sock_cleanup_listen() . The vulnerability arises from a race between bt_accept_dequeue() and l2cap_sock_cleanup_listen() where a socket could be freed while another path still holds a reference. The root cause is a race in the l2cap_sock_cleanu...

CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

UBUNTU-CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

CVE-2025-59692

The CVE-2025-59692 issue affects PureVPN CLI 2.0.1 and GUI 2.10.0 on Linux. The root cause is that the VPN client mishandles firewalling by flushing existing iptables rules and applying default ACCEPT policies when connecting to a VPN server, thereby removing manually configured rules and rules f...

DEBIAN-CVE-2025-39792

In the Linux kernel, the following vulnerability has been resolved: dm: Always split write BIOs to zoned device limits Any zoned DM target that requires zone append emulation will use the block layer zone write plugging. In such case, DM target drivers must not split BIOs using dmacceptpartialbio...

CVE-2025-39792 dm: Always split write BIOs to zoned device limits

In the Linux kernel, the following vulnerability has been resolved: dm: Always split write BIOs to zoned device limits Any zoned DM target that requires zone append emulation will use the block layer zone write plugging. In such case, DM target drivers must not split BIOs using dmacceptpartialbio...

BIT-NIFI-2020-27223

In Eclipse Jetty 9.4.6.v20170531 to 9.4.36.v20210114 inclusive, 10.0.0, and 11.0.0 when Jetty handles a request containing multiple Accept headers with a large number of “quality” i.e. q parameters, the server may enter a denial of service DoS state due to high CPU usage processing those quality...

kernel: crypto: algif_hash - fix double free in hash_accept

In the Linux kernel, the following vulnerability has been resolved: crypto: algifhash - fix double free in hashaccept If accept2 is called on socket type algifhash with MSGMORE flag set and cryptoahashimport fails, sk2 is freed. However, it is also freed in afalgrelease, leading to...

RockyLinux 8 : kernel (RLSA-2025:12752)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:12752 advisory. kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtphidremove CVE-2025-21928 kernel: memstick: rtsxusbms: Fix slab-use-after-free in...