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CVE-2026-90418: Linux

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    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch Syzbot reported a kernel BUG triggered within nilfs_copy_dirty_pages(), which copies dirty DAT file folios/pages to its shadow page cache. The BUG occurs when a retrieved dirty folio/page unexpectedly loses its 'dirty' status. This issue arises because, since the commit referenced below, the 'dirty' flag of a folio/page can be cleared asynchronously after the filesystem detects metadata corruption and transitions to read-only mode. Resolve the issue by returning an -EROFS error if the filesystem has transitioned to read-only mode. Also change the behavior to issue a kernel warning only once instead of triggering a kernel BUG when this unexpected 'dirty' state is detected while the filesystem is not in read-only mode.

    Засегнати продукти

    • Linux Linux: 8c26c4e2694a163d525976e804d81cd955bbb40c преди 6879c603a8d07af82da83768cc2342a11bd444e5; 8c26c4e2694a163d525976e804d81cd955bbb40c преди 5166a21b12f549774f2983fa86d2526ea9e66ace; 8c26c4e2694a163d525976e804d81cd955bbb40c преди 4e1f21e7540b25d83f86b50780836ed7d2afcc93; 8c26c4e2694a163d525976e804d81cd955bbb40c преди 3904fb0ee741ebbbc27ec8f50a9bb6cd31e8af05; 8c26c4e2694a163d525976e804d81cd955bbb40c преди f181155baf0c93a74ebe804c6cecbe970e78ee9e; 8c26c4e2694a163d525976e804d81cd955bbb40c преди 66f4ad3ce158902e5f98afea93189972ed8750c2
    • Linux Linux: 3.10; преди 3.10; 6.1.191 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; 7.3 до *

    История

    • 17 септември 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-90418: Linux | freedomonline.bg