{"id":"CVE-2023-42756","details":"A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.","modified":"2026-03-15T21:45:05.870878Z","published":"2023-09-28T14:15:21.037Z","related":["ALSA-2024:2394","MGASA-2023-0295","MGASA-2023-0296","USN-6454-1","USN-6454-2","USN-6454-3","USN-6454-4","openSUSE-SU-2024:13305-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:2394"},{"type":"FIX","url":"https://seclists.org/oss-sec/2023/q3/242"},{"type":"FIX","url":"https://access.redhat.com/security/cve/CVE-2023-42756"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2239848"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-42756.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.6-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.6-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"37"}]},{"events":[{"introduced":"0"},{"last_affected":"38"}]},{"events":[{"introduced":"0"},{"last_affected":"39"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}