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CVE-2026-74566: 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: keys: make keyring key-chunk byte order agree with keyring_diff_objects() keyring_get_key_chunk() loads description bytes into the index chunk low address first, while keyring_diff_objects() numbers the first differing bit from the low end and folds the absolute byte index into the level without removing the inline-prefix offset the level already carries. The two disagree on byte order and bit position, so the array can be told two keys first differ at a bit that does not differ in the chunk the walker uses, letting crafted descriptions collide into one node. Load the chunk in the order keyring_diff_objects() assumes and drop the inline-prefix length when folding the byte index into the level. This only changes the in-memory ordering used to place keys within a keyring; add, search and read of non-colliding keys are unaffected.

    Засегнати продукти

    • Linux Linux: f771fde82051976a6fc0fd570f8b86de4a92124b преди 414bcf37d81ce9b3823aabc06b04c97fdcbe489b; f771fde82051976a6fc0fd570f8b86de4a92124b преди abe43c661efb753d5ee35ad8ace4bbb16fa9afd0; f771fde82051976a6fc0fd570f8b86de4a92124b преди f81920917074e3c4ad4fba06fe8c56738d010606; f771fde82051976a6fc0fd570f8b86de4a92124b преди bd0f976ef89dce6db458bf75bc2cf51127becc41; f771fde82051976a6fc0fd570f8b86de4a92124b преди 7269df3e7fcfa308e6a456305162f7788747bdbd; f771fde82051976a6fc0fd570f8b86de4a92124b преди 3d9f16c0b643ceac305526b2e2fe25c2c6166926; f771fde82051976a6fc0fd570f8b86de4a92124b преди 7e5397a3fed0dee7779bd084bec3c0584db3c930; f771fde82051976a6fc0fd570f8b86de4a92124b преди 58565eef0f8d861aae92abfb7658458d661cee17
    • Linux Linux: 5.3; преди 5.3; 5.10.265 до 5.10.*; 5.15.216 до 5.15.*; 6.1.183 до 6.1.*; 6.6.151 до 6.6.*; 6.12.103 до 6.12.*; 6.18.44 до 6.18.*; 7.1.8 до 7.1.*; от 7.2 нататък

    История

    • 15 август 2026 Публикувано

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    Първоизточници

    CVE-2026-74566: Linux | freedomonline.bg