CVE-2026-98891None▾ SunlitIn 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 actua…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 25.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
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.
Linux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < 51092dc769f021e9634474e1bd5a561da477fbdbLinux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < a6ed4c00ccdc15011a73daa2b38af9fc5a2c543eLinux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < 80d1a110e9096b5bf41497f6b151154084862385Linux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < a78689e2beed200d4590318612c74ae25c9408cfLinux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < 7a5ef1fd654d0e90d59aa32c881789c8bcc4125aLinux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < 9df64ad43e1f2c036667bba2bf385e9d7b3af564Linux >= c9c99f8938e41b878802d5d8481d6f7a212515b0 < 4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60fLinux 4.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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