CVE-2026-97518 UNKNOWN

Mô tả

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: reject duplicate wiphy cipher suite entries Duplicate entries in wiphy->cipher_suites do not describe any additional capability, but cfg80211 currently accepts them and leaves individual consumers to deal with them. One such consumer is the WEXT compatibility code, which appends a WEP key length for each WEP cipher entry it sees. Repeated WEP entries can therefore overflow the fixed iw_range::encoding_size array returned by SIOCGIWRANGE. Reject duplicate cipher suite entries in wiphy_register() instead. This keeps the cipher suite invariant in one place and makes malformed wiphy descriptions fail early with -EINVAL, rather than relying on a single cfg80211 user to handle duplicates correctly.

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Tài liệu tham khảo

• [416baaa9-dc9f-4396-8d5f-8c081fb06d67] https://git.kernel.org/stable/c/1305f8b925fe92edf5fec183588dfc7db719180b
• [416baaa9-dc9f-4396-8d5f-8c081fb06d67] https://git.kernel.org/stable/c/4cbb2360f4d8c29e67bc7a8bf6ba0ae096583923
• [416baaa9-dc9f-4396-8d5f-8c081fb06d67] https://git.kernel.org/stable/c/7187d145d9042b037e4f10538f70cf95e380219f

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