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CVE-2026-99056: Linux

7.8

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 локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: strparser: make sure __strp_recv isn't running before tearing down the parser The comment above strp_done() claims that if strp is stopped, strp_recv will no longer be called. That's only true if the caller has a mechanism (eg locking) to guarantee that strp_recv() calls that started before strp_stop() have completed by the time we call strp_done(). This adds a dummy lock_sock/release_sock pair to guarantee that any in-flight strp_recv() (which runs under either bh_lock_sock or lock_sock, depending if it's called from ->sk_data_ready or strp_work) has completed. Only espintcp can be affected by this race condition, but this patch makes sure no future user of strp can have the bug. This could crash on strp->sk ("general mode" of strp), but this mode has been here for 9 years and has never been used. It'll be gone soon, no point worrying about it. Switch the stopped/paused/etc bits to u8's to avoid races between strp_stop() and strp_pause/unpause(). A reproducer has been published and turns the possible UAF into an exploit [1].

    Засегнати продукти

    • Linux Linux: e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди b09071e2f8460b35c7d355addad0fc7b31c6904d; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди 933df60a465b1b82ff92dcd6870504da90ba4e9b; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди 61cc5dac60d50dee06cf5c7b7ab246f9c825a715; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди a18dd388045dc7263d99a07db9de4e0f149ca8f1; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди 9f3e9fe1b155e9b4572054d8d140586bc3512ecf; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди d2b5f637b9b67a79a50d42614d10653c13b4e449; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди eaa3a29004c063d7e9d5ea55636f693f67e6db0f; e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 преди 0984ebc631792acf8fff105112ee74a6b8f1efcc
    • Linux Linux: 5.6; преди 5.6; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.57 до 6.18.*; 7.2.11 до 7.2.*; от 7.3 нататък

    История

    • 23 октомври 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-99056: Linux | freedomonline.bg