CVE-2026-53257: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 6.16, before 7.0.13 (fixed in 7.0.13); version 7.1 only

Published 2026-06-25. Last modified 2026-07-08.