{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53257", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.394Z", "datePublished": "2026-06-25T08:39:47.248Z", "dateUpdated": "2026-06-25T08:39:47.248Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:47.248Z"}, "descriptions": [{"lang": "en", "value": "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 individual\nuser(s), enforce that both HE/EHT have consistent elements."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "22c64f37e1d4e757b0073a72f1439c2c3509c5cb", "lessThan": "0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a", "status": "affected", "versionType": "git"}, {"version": "22c64f37e1d4e757b0073a72f1439c2c3509c5cb", "lessThan": "cb9959ab5f99611d27a06586add84811fe8102dc", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a"}, {"url": "https://git.kernel.org/stable/c/cb9959ab5f99611d27a06586add84811fe8102dc"}], "title": "wifi: cfg80211: enforce HE/EHT cap/oper consistency", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{}

{"bugzilla": {"description": "kernel: wifi: cfg80211: enforce HE/EHT cap/oper consistency", "id": "2492754", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492754"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-390", "details": ["A flaw was found in the Linux kernel. An issue within the mac80211 Wi-Fi subsystem, specifically related to the enforcement of High Efficiency (HE) and Extremely High Throughput (EHT) capabilities and operations, could lead to a system crash. This vulnerability arises when HE/EHT capabilities are set without corresponding operational elements, potentially allowing a local or adjacent network attacker to trigger a denial of service."], "name": "CVE-2026-53257", "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53257\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53257\nhttps://lore.kernel.org/linux-cve-announce/2026062515-CVE-2026-53257-5df7@gregkh/T"], "threat_severity": "Moderate"}