{"id":"CVE-2026-53257","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: enforce HE/EHT cap/oper consistency\n\nXiang Mei reports that mac80211 could crash if eht_cap is set\nbut eht_oper isn't","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: enforce HE/EHT cap/oper consistency\n\nXiang Mei reports that mac80211 could crash if eht_cap is set\nbut eht_oper isn't. Rather than fixing that for the i…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.16, < 7.0.13","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.13"],"published":"2026-06-25","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:36.867","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53257","references":[{"url":"https://git.kernel.org/stable/c/0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/afe815a67ec8f2fd03c261fb64f5cde7eb05c17a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cb9959ab5f99611d27a06586add84811fe8102dc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.001,"epssPercentile":0.00812,"ingestedAt":"2026-10-15T11:00:41.699Z","slug":"CVE-2026-53257","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: enforce HE/EHT cap/oper consistency\n\nXiang Mei reports that mac80211 could crash if eht_cap is set\nbut eht_oper isn't. Rather than fixing that for the individual\nuser(s), enforce that both HE/EHT have consistent elements.\n\n## Affected\n\n- `linux_kernel >= 6.16, < 7.0.13`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.13`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222314,"id":"CVE-2026-53257","ts":1792065876016,"field":"cvss","old":null,"new":"5.5"},{"seq":222313,"id":"CVE-2026-53257","ts":1792065876016,"field":"severity","old":"none","new":"medium"}]}