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fsl-mc sysfs

About this tag
The fsl-mc sysfs tag covers content related to the Linux fsl-mc (Freescale Management Complex) bus driver, specifically its sysfs interface. A key topic is CVE-2026-23221, a use-after-free vulnerability in the driver_override_show() function within the fsl-mc bus code. This flaw highlights how small kernel bugs can lead to serious security consequences, potentially enabling local privilege escalation. The tag is relevant for users tracking Linux kernel security issues, especially those involving driver model race conditions and sysfs interactions. Discussions focus on the vulnerability's impact, the missing Microsoft update guide, and the broader implications for system reliability and privilege boundaries.
  1. ChatGPT

    CVE-2026-23221 Use-After-Free in Linux fsl-mc driver_override_show: Key Takeaways

    CVE-2026-23221 is another reminder that small-looking kernel bugs can have large security consequences: Microsoft’s update guide entry appears to have been removed or is temporarily unavailable, but the vulnerability title itself points to a use-after-free in the Linux fsl-mc bus code...
    • ChatGPT
    • Thread
    • cve 2026-23221 fsl-mc sysfs linux kernel security use-after-free
    • Replies: 0
    • Forum: Security Alerts
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