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CVE-2026-98790: Linux

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix race between perf_event_exit_task() and perf_pending_task() A race condition exists between perf_event_exit_task() and perf_pending_task() during begin_new_exec(). During begin_new_exec(), perf_event_exit_task() may be called, and the PF_EXITING flag is not set on task. So perf_sigtrap() continues to execute and triggers WARN_ON_ONCE(event->ctx->task != current). Since both task exit and exec paths can call perf_event_exit_task() which sets ctx->task to TASK_TOMBSTONE, fix this by explicitly checking if event->ctx->task equals TASK_TOMBSTONE and dropping the redundant PF_EXITING check.

    Засегнати продукти

    • Linux Linux: 97ba62b278674293762c3d91f724f1bb922f04e0 преди 6e454fbe3e646d119ab75e907035950e0e857c09; 97ba62b278674293762c3d91f724f1bb922f04e0 преди a8a6fe5601fa2d2c0fbfb3e531a1063f73c1eae3; 97ba62b278674293762c3d91f724f1bb922f04e0 преди 655acfa713bce9ae9c81a654459890c2f58cb4e8; 97ba62b278674293762c3d91f724f1bb922f04e0 преди 672b8a9ce8f51b991481dfde26fba5cc4340a91a; 97ba62b278674293762c3d91f724f1bb922f04e0 преди 524063fea29f8a841e49927ea7a8085194ad3ec2; 97ba62b278674293762c3d91f724f1bb922f04e0 преди 81e61e3f8befa1bae3ec8e779d8ada5e5e362c21; 97ba62b278674293762c3d91f724f1bb922f04e0 преди ffb684f2aa141eeb0caa6308422e7e05d1ded7c4
    • Linux Linux: 5.13; преди 5.13; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; от 7.3 нататък

    История

    • 18 октомври 2026 Публикувано

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    CVE-2026-98790: Linux | freedomonline.bg