CVE-2022-50413

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an attacker on the same Wi-Fi segment (malicious/evil-twin MLO AP or BSSID-spoofed frame injection) delivers that frame.\nAC:L - Once an MLO association is in progress, a successful AssocResp with a valid multi-link element deterministically frees assoc_data then reuses assoc_data->ap_addr; the adjacent attacker fully controls that response, with no race or attacker-uncontrollable timing required.\nPR:N - The vulnerable path runs in the station RX/MLME soft path on the received AssocResp with no host authentication or capability check; an unauthenticated adjacent Wi-Fi peer needs no account on the victim.\nUI:N - In the worst reasonable case (auto-reconnect/evil twin of a known SSID, or an already-initiated MLO association), the AssocResp is processed automatically without a further victim action at attack time.\nS:U - The use-after-free corrupts mac80211/cfg80211 state inside the host kernel authority only and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - After kfree(assoc_data), resp.ap_mld_addr points into freed heap memory and cfg80211 later memcpy's ETH_ALEN from it; that UAF enables heap reuse and arbitrary kernel disclosure.\nI:H - The same sprayable ieee80211_mgd_assoc_data UAF while the dangling AP MLD address is consumed into connection/result state yields write and control-flow primitives characteristic of exploitable kernel UAFs.\nA:H - Use of the freed assoc_data object can oops/panic the kernel in the association-response path, so availability impact is complete even without full code execution."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/mlme.c"], "versions": [{"version": "81151ce462e533551f3284bfdb8e0f461c9220e6", "lessThan": "aebef10affe16228462af680b88751bf137e2856", "status": "affected", "versionType": "git"}, {"version": "81151ce462e533551f3284bfdb8e0f461c9220e6", "lessThan": "40fb87129049ec5876dabf4a4d4aed6642b31f1a", "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/mac80211/mlme.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "6.0", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/aebef10affe16228462af680b88751bf137e2856"}, {"url": "https://git.kernel.org/stable/c/40fb87129049ec5876dabf4a4d4aed6642b31f1a"}], "title": "wifi: mac80211: fix use-after-free", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-50413", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-14T19:09:34.201418Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T19:13:09.346Z"}}]}}

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{"bugzilla": {"description": "kernel: wifi: mac80211: fix use-after-free", "id": "2396515", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396515"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50413", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50413\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50413\nhttps://lore.kernel.org/linux-cve-announce/2025091854-CVE-2022-50413-c345@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-09-19T09:35:43.442731+00:00", "updated": "2025-09-19T09:35:43.442793+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}