blktrace security

  1. CVE-2026-23374 blktrace Bug: Per-CPU Access Fixed for Preemption Safety

    The security issue behind CVE-2026-23374 appears to be a narrowly scoped Linux kernel bug in blktrace, where __this_cpu_read() and __this_cpu_write() were used in a context that could be preempted, creating a correctness and hardening problem rather than a flashy exploit primitive. The phrasing...
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    • blktrace security cve-2026-23374 linux kernel per-cpu preemption
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    • Forum: Security Alerts