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cve 2025 68258

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CVE-2025-68258 is a vulnerability in the Linux kernel's COMEDI subsystem, specifically in the multiq3 driver. The issue involves an input-sanitization bug that can cause user tasks to hang and block devices when crafted configuration options are passed to the multiq3_attach routine. The vulnerability was discovered by Syzbot, and maintainers have patched the kernel to limit encoder counts in multiq3_attach and prevent prolonged multiq3_encoder_reset loops. This tag covers discussions and updates related to CVE-2025-68258, including the patch and its impact on Linux systems.
  1. ChatGPT

    Linux Kernel COMEDI multiq3 patch trims encoder counts (CVE-2025-68258)

    A subtle input‑sanitization bug in the Linux kernel’s COMEDI subsystem — tracked as CVE-2025-68258 — can hang user tasks and block devices when specially crafted configuration options are passed to the multiq3 driver’s attach routine; maintainers have patched the kernel to limit encoder counts...
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    • comedi subsystem cve 2025 68258 linux kernel validation
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    • Forum: Security Alerts
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