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CVE-2026-46302: Linux

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CVSS

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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: selinux: allow multiple opens of /sys/fs/selinux/policy Currently there can only be a single open of /sys/fs/selinux/policy at any time. This allows any process to block any other process from reading the kernel policy. The original motivation seems to have been a mix of preventing an inconsistent view of the policy size and preventing userspace from allocating kernel memory without bound, but this is arguably equally bad. Eliminate the policy_opened flag and shrink the critical section that the policy mutex is held. While we are making changes here, drop a couple of extraneous BUG_ONs.

    Засегнати продукти

    • Linux Linux: cee74f47a6baba0ac457e87687fdcf0abd599f0a преди 9795810d116bc9071485929ba6471dc8d5bd158b; cee74f47a6baba0ac457e87687fdcf0abd599f0a преди d8cafd0226d5df682d1f4ea978a4318fe3a11210; cee74f47a6baba0ac457e87687fdcf0abd599f0a преди 0ed712134a3db0075bfe9a0f8536c48728ec745e; cee74f47a6baba0ac457e87687fdcf0abd599f0a преди c24d2e190b955baf3a95e05d34b192f61bd201b3; cee74f47a6baba0ac457e87687fdcf0abd599f0a преди 714362f3779dfa453a78ced32396a72726962a41; cee74f47a6baba0ac457e87687fdcf0abd599f0a преди a02cd6805562305f936e807da83e253b719dd965
    • Linux Linux: 2.6.37; преди 2.6.37; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.58 до 6.18.*; 7.0.7 до 7.0.*; от 7.1 нататък

    История

    • 8 юни 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-46302: Linux | freedomonline.bg