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{"bugzilla": {"description": "kernel: wifi: cfg80211: fix memory leak in query_regdb_file()", "id": "2363466", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363466"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: cfg80211: fix memory leak in query_regdb_file()\nIn the function query_regdb_file() the alpha2 parameter is duplicated\nusing kmemdup() and subsequently freed in regdb_fw_cb(). However,\nrequest_firmware_nowait() can fail without calling regdb_fw_cb() and\nthus leak memory."], "name": "CVE-2022-49881", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49881\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49881\nhttps://lore.kernel.org/linux-cve-announce/2025050154-CVE-2022-49881-3caa@gregkh/T"], "statement": "A memory leak was fixed in query_regdb_file() where kmemdup()'ed memory for the alpha2 parameter was not freed if request_firmware_nowait() failed before invoking the callback. The issue was resolved by explicitly calling kfree(alpha2) when the firmware request fails synchronously. Since access to this function requires capabilities like CAP_NET_ADMIN or direct kernel interaction, the Privileges Required metric is rated High (PR:H).", "threat_severity": "Moderate"}

{}