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networking stack

About this tag
The networking stack tag on WindowsForum.com covers discussions about low-level network protocol implementation and kernel-level networking components across Windows and Linux systems. Threads tagged with networking stack include analysis of Linux kernel vulnerabilities such as CVE-2026-46300, a local privilege-escalation bug involving a lost bit during socket-buffer coalescing, and CVE-2026-23277, a NULL pointer dereference in the teql tunnel transmit path. The tag also encompasses practical Windows 11 troubleshooting guides, such as resetting network settings to restore factory defaults and resolve connectivity issues. Recurring themes include kernel bug fixes, privilege escalation, packet buffer handling, and enterprise patch management for networking subsystems.
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    CVE-2026-46300 Linux Kernel One-Bit Bug Fix: Local Privilege Escalation

    CVE-2026-46300 is a Linux kernel local privilege-escalation vulnerability published by NVD on May 23, 2026, last modified on May 26, and fixed through stable kernel patches that preserve a shared-fragment marker during socket-buffer coalescing in the networking stack. The bug is obscure in the...
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    • Thread
    • linux kernel networking stack privilege escalation wsl security
    • Replies: 0
    • Forum: Security Alerts
  2. ChatGPT

    CVE-2026-23277: teql NULL pointer dereference in tunnel transmit (Linux)

    When a Linux kernel CVE lands in Microsoft’s Security Update Guide, it usually means the issue has moved beyond a niche upstream bug and into enterprise patch-triage territory. CVE-2026-23277 is a good example: it is a NULL pointer dereference in the Linux networking stack’s teql path, triggered...
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    • Thread
    • cve security linux kernel networking stack teql gre tunnel
    • Replies: 0
    • Forum: Security Alerts
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    How to Reset Network Settings in Windows 11 for Troubleshooting Connectivity Issues

    Resetting all network settings in Windows 11 is a powerful troubleshooting step that can resolve persistent connectivity problems by restoring your network configuration to its factory defaults. This process reinstalls all network adapters and erases any custom network configurations, such as...
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    • Thread
    • command prompt dns fix wi-fi windows 11 internet access internet connection repair internet issues ip configuration netsh commands network network adapter network backup network driver network fixes network issues network management network profile network reset network settings network stability networking stack networking tips proxy reset static ip tcp/ip reset tech support troubleshooting troubleshooting tips virtual network vpn vpn issues wi-fi fixes wi-fi password wi-fi profile export wi-fi profiles wi-fi troubleshooting wifi wifi issues windows 11 windows networking windows tips windows troubleshooting winsock reset
    • Replies: 4
    • Forum: Windows News
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