CVE-2026-46319

A flaw was found in the Linux kernel. A race condition in the actct module, specifically during the flow table lookup, can lead to a Use-After-Free UAF vulnerability. This occurs because a critical lock is released prematurely, allowing a memory object to be freed while still in use. An attacker...

The vulnerability of the tcf_ct_handle_fragments() function in the net/sched/act_ct.c module of the net/sched/networking subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tcfcthandlefragments function in the net/sched/actct.c module of the net/sched/networking subsystem of the Linux operating system is related to insufficient checking of exceptional states. Exploiting this vulnerability could allow an attacker to compromise 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 the actct module not releasing old ct entry references when switching region or network namespaces, which could...

CVE-2021-47014

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix wild memory access when clearing fragments while testing re-assembly/re-fragmentation using actct, it's possible to observe a crash like the following one: KASAN: maybe wild-memory-access in range...