decnet

About this tag
The decnet tag on WindowsForum.com covers discussions about the DECnet protocol suite, originally developed by Digital Equipment Corporation. Recent content focuses on CVE-2023-3338, a null-pointer dereference vulnerability in the Linux kernel's DECnet implementation that led to denial-of-service conditions. This vulnerability prompted many Linux distributions to remove the obsolete DECnet code entirely, highlighting the security risks of maintaining long-lived, low-usage subsystems. While DECnet is not a Windows-native protocol, the tag may be relevant to cross-platform networking or legacy system integration topics. Users interested in network protocol vulnerabilities, Linux kernel security, or the deprecation of older networking stacks will find relevant discussions here.

  1. CVE-2023-3338: Linux DECnet Null Pointer DoS in dn_nsp_send

    A null-pointer dereference in the Linux kernel’s DECnet stack — specifically in the dn_nsp_send function — quietly turned into a disruptive denial‑of‑service hazard that forced vendors and distributions to remove the obsolete DECnet implementation rather than simply patching a single line of...
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    • cve 2023 3338 decnet linux kernel security vulnerability analysis
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    • Forum: Security Alerts