CVE-2026-98891: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: validate deauth frame length before reason access ieee80211_rx_mgmt_deauth() reads the deauth reason code before checking that the fixed field is actually present in the received frame. Validate the deauth frame length first and only then read the reason code.

Засегнати продукти

• Linux Linux: c9c99f8938e41b878802d5d8481d6f7a212515b0 преди 51092dc769f021e9634474e1bd5a561da477fbdb; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди 80d1a110e9096b5bf41497f6b151154084862385; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди a78689e2beed200d4590318612c74ae25c9408cf; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди 7a5ef1fd654d0e90d59aa32c881789c8bcc4125a; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди 9df64ad43e1f2c036667bba2bf385e9d7b3af564; c9c99f8938e41b878802d5d8481d6f7a212515b0 преди 4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f
• Linux Linux: 4.2; преди 4.2; 5.10.271 до 5.10.*; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; от 7.2 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-98891
• https://nvd.nist.gov/vuln/detail/CVE-2026-98891
• https://git.kernel.org/stable/c/51092dc769f021e9634474e1bd5a561da477fbdb
• https://git.kernel.org/stable/c/a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e
• https://git.kernel.org/stable/c/80d1a110e9096b5bf41497f6b151154084862385
• https://git.kernel.org/stable/c/a78689e2beed200d4590318612c74ae25c9408cf
• https://git.kernel.org/stable/c/7a5ef1fd654d0e90d59aa32c881789c8bcc4125a
• https://git.kernel.org/stable/c/9df64ad43e1f2c036667bba2bf385e9d7b3af564
• https://git.kernel.org/stable/c/4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f