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CVE-2026-99072: 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: ipv4: stop route notification sizing when nexthop group shrinks Commit 680aea08e78c ("net: ipv4: Emit notification when fib hardware flags are changed") added an RCU-only fib_nlmsg_size() call for asynchronous hardware flag notifications. fib_nlmsg_size() checks fib_info_num_path() before each iteration, then fib_info_nhc() independently reloads nh->nh_grp. If RTM_NEWNEXTHOP replaces a group with fewer paths between those loads, fib_info_nhc() returns NULL and fib_nexthop_nlmsg_size() dereferences it. Stop sizing when the indexed path is absent. Nexthop groups are dense, so the current snapshot has no later path.

    Засегнати продукти

    • Linux Linux: 680aea08e78c003292415518ad270bc20f9c80b1 преди 96f3fbb8575593657c7e80786dc3251d2fe3931b; 680aea08e78c003292415518ad270bc20f9c80b1 преди 81f0deb02a5b5477f236bbbaed1149b779a8632b; 680aea08e78c003292415518ad270bc20f9c80b1 преди 72d9d17092bb37b0717f12042a0817d01a1f9e78; 680aea08e78c003292415518ad270bc20f9c80b1 преди ad1c9f1b98c92609e9bb2ae8f05916defc3b0a54; 680aea08e78c003292415518ad270bc20f9c80b1 преди c1f48d1c2d5e9efd904dbbc2f2b3d41543e55c49; 680aea08e78c003292415518ad270bc20f9c80b1 преди ad2b3a68b8a7d5d27de88e05674e4adb1ce46d88; 680aea08e78c003292415518ad270bc20f9c80b1 преди d3daa33c7af92e38f2274bbd2576f58bfbaf89e6
    • Linux Linux: 5.12; преди 5.12; 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

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    CVE-2026-99072: Linux | freedomonline.bg