{"id":"CVE-2021-23134","details":"Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.","aliases":["A-188883590","PUB-A-188883590"],"modified":"2026-03-15T22:39:18.893869Z","published":"2021-05-12T23:15:07.707Z","related":["SUSE-SU-2021:1887-1","SUSE-SU-2021:1888-1","SUSE-SU-2021:1889-1","SUSE-SU-2021:1890-1","SUSE-SU-2021:1891-1","SUSE-SU-2021:1899-1","SUSE-SU-2021:1912-1","SUSE-SU-2021:1913-1","SUSE-SU-2021:1975-1","SUSE-SU-2021:1977-1","SUSE-SU-2021:2020-1","SUSE-SU-2021:2027-1","SUSE-SU-2021:2057-1","SUSE-SU-2021:2067-1","SUSE-SU-2021:2208-1","SUSE-SU-2021:2406-1","SUSE-SU-2021:2421-1","SUSE-SU-2021:2451-1","SUSE-SU-2022:0234-1","SUSE-SU-2022:0243-1","SUSE-SU-2022:0255-1","SUSE-SU-2022:0263-1","SUSE-SU-2022:0291-1","SUSE-SU-2022:0293-1","SUSE-SU-2022:0296-1","SUSE-SU-2022:0325-1","SUSE-SU-2022:0327-1","SUSE-SU-2024:1454-1","SUSE-SU-2024:1489-1","SUSE-SU-2024:1643-1","SUSE-SU-2024:1870-1","openSUSE-SU-2021:0843-1","openSUSE-SU-2021:0947-1","openSUSE-SU-2021:1975-1","openSUSE-SU-2021:1977-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210625-0007/"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2021/05/11/4"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23134.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.12.4"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}