Mmastodon TechnologyCybersecurity first seen 7 h ago, last 7 h ago, peak #10

Linux kernel configfs vulnerability patched in new advisory

Original: 🚨 EUVD-2026-86804 📊 Score: n/a 📦 Product: Linux, Linux, Linux (+7 more) 🏢 Vendor: Linux 📅 Published: 2026-09-25 | Update

A new vulnerability, tracked as EUVD-2026-86804, has been disclosed and resolved in the Linux kernel. The flaw involves the configfs subsystem, where the fix pins the symlink target's dirent instead of chasing its dentry pointer, closing a potential security issue. The advisory covers the Linux kernel across multiple affected versions and was published on September 25, 2026, with an update on October 3, 2026. No severity score has been assigned yet, and administrators are advised to apply kernel updates.

Why now: A newly patched Linux kernel security flaw is circulating in cybersecurity circles, and kernel vulnerabilities typically prompt sysadmins to check whether their systems need updating.

Linux kernelEUVD-2026-86804configfs

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Evidence

• 🚨 EUVD-2026-86804 📊 Score: n/a 📦 Product: Linux, Linux, Linux (+7 more) 🏢 Vendor: Linux 📅 Published: 2026-09-25 | Updated: 2026-10-03 📝 In the Linux kernel, the following vulnerability has been resolved: configfs: pin the symlink target's dirent instead of chasing ->ci_dentry… · EUVD_Bot

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