scheduler security

  1. Linux Kernel CVE-2026-23225: CID Concurrency Bug Fix in Scheduler

    The Linux kernel’s scheduler subsystem received a targeted fix this month for a subtle-but-real concurrency bug tracked as CVE‑2026‑23225: a logic error in sched/mmcid where code assumed a Concurrency ID (CID) was “CPU‑owned” during a mode transition, producing an out‑of‑bounds access (reported...
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    • cid concurrency linux kernel scheduler security security patch
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