CVE-2021-47021

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{"bugzilla": {"description": "kernel: mt76: mt7915: fix memleak when mt7915_unregister_device()", "id": "2266961", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266961"}, "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-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmt76: mt7915: fix memleak when mt7915_unregister_device()\nmt7915_tx_token_put() should get call before mt76_free_pending_txwi().", "A flaw was found in the mt7915e module in the Linux kernel. A memory leak can occur when a device is unregistered, potentially impacting system performance and possibly resulting in a denial of service."], "name": "CVE-2021-47021", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47021\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47021\nhttps://lore.kernel.org/linux-cve-announce/2024022833-CVE-2021-47021-6cbb@gregkh/T/#u"], "statement": "The mt7915e module is not built in the kernel shipped in Red Hat Enterprise Linux 8 and 9, so it is not affected by this vulnerability.", "threat_severity": "Moderate"}

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