CVE-2026-53257 is a vulnerability in Linux Kernel
Published on June 25, 2026
wifi: cfg80211: enforce HE/EHT cap/oper consistency
In the Linux kernel, the following vulnerability has been resolved:
wifi: cfg80211: enforce HE/EHT cap/oper consistency
Xiang Mei reports that mac80211 could crash if eht_cap is set
but eht_oper isn't. Rather than fixing that for the individual
user(s), enforce that both HE/EHT have consistent elements.
Products Associated with CVE-2026-53257
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Affected Versions
Linux:- Version 22c64f37e1d4e757b0073a72f1439c2c3509c5cb and below 0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a is affected.
- Version 22c64f37e1d4e757b0073a72f1439c2c3509c5cb and below cb9959ab5f99611d27a06586add84811fe8102dc is affected.
- Version 6.16 is affected.
- Before 6.16 is unaffected.
- Version 7.0.13, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.