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CVE-2026-64033: Linux

9.8

CVSS 3.1

Няма данни

Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

Няма потвърждение

Атакува се

Няма данни

Време до експлоатация

Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: Fix use-after-free in path file creation cleanup In the error path of rtrs_srv_create_path_files(), the sysfs root folders may already have been created and srv_path->kobj may already have been initialized. If a later step fails, the cleanup currently calls kobject_put(&srv_path->kobj) before rtrs_srv_destroy_once_sysfs_root_folders(srv_path). kobject_put() may drop the last reference to srv_path->kobj and invoke the release callback, rtrs_srv_release(), which frees srv_path. The following call to rtrs_srv_destroy_once_sysfs_root_folders(srv_path) then dereferences srv_path internally to access srv_path->srv, resulting in a use-after-free. This failure path is reached before rtrs_srv_create_path_files() returns success, so the successful-path lifetime handling is not involved. Fix this by destroying the sysfs root folders before calling kobject_put(&srv_path->kobj), so srv_path is still valid while the helper accesses it. This issue was found by a static analysis tool I am developing.

    Засегнати продукти

    • Linux Linux: bab17b761c8974a869b04462be5d4dd9aad366b4 преди 01e42aabaf7632beb4bf235c7238b96c746d4144; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди 548f3956e53a7f7bde912d8129010b8986d5e602; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди 00904a73272b9f3ef3952fe69a833909dccad1ef; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди 92060ab1c5115674cf319175550f85f68405121f; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди eae62c5451e67e8b033c1681fd3b85d7e9a9a28f; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди b0e9706fb2859064bb6c677554c4d20c713aa8e0; ae4c81644e9105d9f7f713bb0d444737bb6a0cf1 преди 5b74373390113fba798a76b483837029ab010fef; 5.15.61 преди 5.15.209
    • Linux Linux: 5.17; преди 5.17; 5.15.209 до 5.15.*; 6.1.175 до 6.1.*; 6.6.142 до 6.6.*; 6.12.92 до 6.12.*; 6.18.34 до 6.18.*; 7.0.11 до 7.0.*; 7.1 до *

    История

    • 19 юли 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-64033: Linux | freedomonline.bg