{"id":"CVE-2023-51780","details":"An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.","modified":"2026-03-13T07:47:46.690345Z","published":"2024-01-11T19:15:12.500Z","related":["ALSA-2024:2394","SUSE-SU-2024:0463-1","SUSE-SU-2024:0468-1","SUSE-SU-2024:0469-1","SUSE-SU-2024:0474-1","SUSE-SU-2024:0476-1","SUSE-SU-2024:0478-1","SUSE-SU-2024:0483-1","SUSE-SU-2024:0484-1","SUSE-SU-2024:0514-1","SUSE-SU-2024:0515-1","SUSE-SU-2024:0516-1","SUSE-SU-2024:0620-1","SUSE-SU-2024:0622-1","SUSE-SU-2024:0624-1","SUSE-SU-2024:0639-1","SUSE-SU-2024:0655-1","SUSE-SU-2024:0656-1","SUSE-SU-2024:0662-1","SUSE-SU-2024:0663-1","SUSE-SU-2024:0666-1","SUSE-SU-2024:0685-1","SUSE-SU-2024:0694-1","SUSE-SU-2024:0698-1","SUSE-SU-2024:0705-1","SUSE-SU-2024:0727-1","SUSE-SU-2024:1669-1","SUSE-SU-2024:2802-1","SUSE-SU-2024:2896-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","USN-6652-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240419-0001/"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/24e90b9e34f9e039f56b5f25f6e6eb92cdd8f4b3"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-51780.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"6.6.8"}]},{"events":[{"introduced":"0"},{"last_affected":"2.6.12-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"2.6.12-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"2.6.12-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"2.6.12-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"2.6.12-rc6"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"6.7-rc5"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}