{"schema_version":"1.9.0","id":"CVE-2023-3161","published":"2023-06-12T00:00:00Z","modified":"2026-08-12T03:51:46.526091559Z","related":["ALSA-2023:7077","SUSE-SU-2023:2646-1","SUSE-SU-2023:2782-1","SUSE-SU-2023:2804-1","SUSE-SU-2023:2805-1","SUSE-SU-2023:2808-1","SUSE-SU-2023:2809-1","SUSE-SU-2023:2810-1","SUSE-SU-2023:2820-1","SUSE-SU-2023:2822-1","SUSE-SU-2023:2830-1","SUSE-SU-2023:2831-1","SUSE-SU-2023:2834-1","SUSE-SU-2023:2859-1","SUSE-SU-2023:2871-1","SUSE-SU-2023:3333-1"],"details":"A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"4ec5183ec48656cec489c49f989c508b68b518e3"},{"last_affected":"4ec5183ec48656cec489c49f989c508b68b518e3"}],"database_specific":{"extracted_events":[{"introduced":"Fixed in kernel 6.2-rc7"},{"last_affected":"Fixed in kernel 6.2-rc7"}],"source":"AFFECTED_FIELD"}}],"versions":["Fixed in kernel 6.2-rc7","v6.2-rc7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3161.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3161.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3161"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2213485"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/2b09d5d364986f724f17001ccfe4126b9b43a0be"}],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-1335"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3161.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}