{"id":"CVE-2023-35788","details":"An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.","modified":"2026-03-15T22:46:58.887435Z","published":"2023-06-16T21:15:09.340Z","related":["ALSA-2023:4377","ALSA-2023:4378","ALSA-2023:5244","MGASA-2023-0201","MGASA-2023-0202","SUSE-SU-2023:2782-1","SUSE-SU-2023:2809-1","SUSE-SU-2023:2810-1","SUSE-SU-2023:2820-1","SUSE-SU-2023:2831-1","SUSE-SU-2023:2834-1","SUSE-SU-2023:2859-1","SUSE-SU-2023:2871-1","SUSE-SU-2023:2892-1","SUSE-SU-2023:3035-1","SUSE-SU-2023:3036-1","SUSE-SU-2023:3041-1","SUSE-SU-2023:3055-1","SUSE-SU-2023:3063-1","SUSE-SU-2023:3075-1","SUSE-SU-2023:3076-1","SUSE-SU-2023:3079-1","SUSE-SU-2023:3081-1","SUSE-SU-2023:3107-1","SUSE-SU-2023:3111-1","SUSE-SU-2023:3115-1","SUSE-SU-2023:3116-1","SUSE-SU-2023:3153-1"],"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5480"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230714-0002/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5448"},{"type":"FIX","url":"https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2023/06/17/1"},{"type":"EVIDENCE","url":"https://www.openwall.com/lists/oss-security/2023/06/07/1"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.19"},{"fixed":"4.19.285"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.246"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.183"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.15.116"}]},{"events":[{"introduced":"5.16"},{"fixed":"6.1.33"}]},{"events":[{"introduced":"6.2"},{"fixed":"6.3.7"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"22.04"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-35788.json"}}],"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"}]}