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CVE-2026-97619: Linux

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: io_uring/rw: end write accounting from ->ki_complete Commit b000145e9907 moved both the fsnotify calls and the write accounting out of the kiocb completion handler and into the io_req_rw_complete() task_work. However, only the fsnotify part actually needed to move as it may sleep. Ending the write accounting is just a percpu_up_read() on the superblock writers sem. Deferring it is a problem, because it makes dropping SB_FREEZE_WRITE protection depend on the ring owner getting to running task_work. But the task may be blocked in freeze_super(), causing it to never get to that: task io-wq worker -------------------------------------------------------------- io_write() io_kiocb_start_write() (takes sb_writers, hidden from lockdep by __sb_writers_release) write_iter() -> -EIOCBQUEUED ioctl(FS_IOC_SHUTDOWN) bdev_freeze() freeze_super() percpu_down_write() <- waits for the reader above io_write() kiocb_start_write() percpu_down_read() <- queued behind the writer <bio completes> io_complete_rw() queues io_req_rw_complete() <- never runs, task is in D state End the write from io_complete_rw() instead, and leave only the fsnotify calls in task_work.

    Засегнати продукти

    • Linux Linux: ea2e6286e3e89a115ae554e20ba9aec2b2e1ddff преди aa4a3bec32ffe20ba1044db8211140edf7637310; 89a410dbd0f159ddd308f19d6eb682fc753e4771 преди 16840e3478c72ebbf093c52cbdcd8a1f12fad692; b000145e9907809406d8164c3b2b8861d95aecd1 преди ed1cead97afb9c398bd7ab344a3c1ee34ab73af9; b000145e9907809406d8164c3b2b8861d95aecd1 преди 696459029f3b65c070c91b729478475582f1dcdf; b000145e9907809406d8164c3b2b8861d95aecd1 преди cc580cee4dfa2ec9099c30ecbd4d804cbb996432; b000145e9907809406d8164c3b2b8861d95aecd1 преди 055d43a1233edbd80e558889258105ce63051bcd; b000145e9907809406d8164c3b2b8861d95aecd1 преди 796aa0547557e63338657ed1c487906f9fac4c73; 2a853c206e553dd9c0a55c22858fd6a446d93e15; 5.10.165 преди 5.10.273; 5.15.90 преди 5.15.224; 6.0.3 преди 6.1
    • Linux Linux: 6.1; преди 6.1; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.6.160 до 6.6.*; 6.12.112 до 6.12.*; 6.18.53 до 6.18.*; 7.2.7 до 7.2.*; 7.3 до *

    История

    • 25 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-97619: Linux | freedomonline.bg