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New CIFSwitch Linux flaw gives root on multiple distributions

·Source: BleepingComputer

Updated:

Executive Summary

A newly discovered local privilege escalation vulnerability dubbed 'CIFSwitch' in the Linux kernel could allow attackers to forge CIFS authentication key descriptions, abuse the kernel's key request mechanism, and gain root privileges. [...]

Analysis

A newly discovered local privilege escalation vulnerability dubbed 'CIFSwitch' in the Linux kernel could allow attackers to forge CIFS authentication key descriptions, abuse the kernel's key request mechanism, and gain root privileges. [...]
Source Attribution

Originally published by BleepingComputer on May 30, 2026.

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