CVE-2026-64056

A flaw was found in the Linux kernel's Cortina ethernet driver for Gemini devices. The driver used a single, shared buffer SKB, or Socket Kernel Buffer for assembling incoming network packets across multiple ethernet ports. This shared resource could lead to race conditions, where simultaneous...

CVE-2026-64056 net: ethernet: cortina: Make RX SKB per-port

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Make RX SKB per-port The SKB used to assemble packets from fragments in gmacrx is static local, but the Gemini has two ethernet ports, meaning there can be races between the ports on a bad day if a device ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: Cortina: Use TOE/TSO for all TCP protocols. It is desirable to enable the hardware accelerator to also process non-segmented TCP frames. We can pass the skb-len value to the “TOE/TSO” offloader, which will handle...

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 improper TOE/TSO handling in the cortina Ethernet driver, which could lead to instability...

PT-2025-29053

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel's ethernet/cortina driver related to the TCP Offload Engine TOE and TCP Segmentation Offload TSO features. The issue causes instability, lockups, and...