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Linux kernel tracing missing lock can double-free memory

A flaw in the Linux kernel's tracing feature can freeze systems.

Summary

In the Linux kernel tracing feature, readers running at the same time can skip a lock, so memory may be freed twice or corrupted. Linux kernels from 6.16 are affected.

What to do

Check that the running kernel is newer than 6.16, and read your distribution's security advisory. No fixed version number is named in the sources.

Products and platforms

  • Linux

CVE IDs

Sources

Times

First published

First seen