{"id":"CVE-2021-33656","revision":"ce462dbaf1e04c55a6854154c759c346","records":[{"revision":"ce462dbaf1e04c55a6854154c759c346","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-33656","aliases":[],"title":"When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.","description":"When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.","state":0,"publishedAt":"2022-07-18T14:44:28+00:00","modifiedAt":"2026-10-08T21:14:03.467+00:00","affected":[{"ecosystem":"Vendor product","name":"openEuler:kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"openEuler:kernel\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"<5.10.127\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch","https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel","http://www.openwall.com/lists/oss-security/2022/07/19/3","https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-33656","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-33656","identifiers":["CVE-2021-33656"]},"retained":false,"historicalAffected":[]}],"coverage":[]}