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{"bugzilla": {"description": "kernel: missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c allows local attackers to create raw sockets", "id": "1882508", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1882508"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-285", "details": ["A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.", "A missing capabilities check when creating NFC raw sockets could be used by local attackers to create raw sockets, bypassing security mechanisms allowing them to create or listen to NFC communication frames."], "mitigation": {"lang": "en:us", "value": "As the nfc module will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions:\n# echo \"install nfc /bin/true\" >> /etc/modprobe.d/disable-nfc.conf \nThe system will need to be restarted if the NFC module is loaded. In most circumstances, the CIFS kernel modules will be unable to be unloaded while any interfaces are active and the protocol is in use.\nIf the system requires this module to work correctly, this mitigation may not be suitable.\nIf you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services."}, "name": "CVE-2020-26088", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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-alt", "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": "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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2020-08-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-26088\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-26088"], "threat_severity": "Moderate"}