{"id":"CVE-2021-46934","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: validate user data in compat ioctl\n\nWrong user data may cause warning in i2c_transfer(), ex: zero msgs.\nUserspace should not be able to trigger warnings, so this patch adds\nvalidation checks for user data in compact ioctl to prevent reported\nwarnings","modified":"2026-03-13T05:19:21.679229Z","published":"2024-02-27T10:15:07.877Z","related":["ALSA-2024:3618","ALSA-2024:3627","SUSE-SU-2024:0855-1","SUSE-SU-2024:0856-1","SUSE-SU-2024:0857-1","SUSE-SU-2024:0900-1","SUSE-SU-2024:0900-2","SUSE-SU-2024:0926-1","SUSE-SU-2024:0977-1","SUSE-SU-2024:1466-1","SUSE-SU-2024:1480-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b"},{"type":"FIX","url":"https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f"},{"type":"FIX","url":"https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d"},{"type":"FIX","url":"https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf"},{"type":"FIX","url":"https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.15.0"},{"fixed":"4.19.224"}]},{"events":[{"introduced":"4.20.0"},{"fixed":"5.4.170"}]},{"events":[{"introduced":"5.5.0"},{"fixed":"5.10.90"}]},{"events":[{"introduced":"5.11.0"},{"fixed":"5.15.13"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-46934.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:N/I:L/A:N"}]}