{"id":"CVE-2021-47348","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Avoid HDCP over-read and corruption\n\nInstead of reading the desired 5 bytes of the actual target field,\nthe code was reading 8. This could result in a corrupted value if the\ntrailing 3 bytes were non-zero, so instead use an appropriately sized\nand zero-initialized bounce buffer, and read only 5 bytes before casting\nto u64.","modified":"2026-03-15T22:43:11.275668Z","published":"2024-05-21T15:15:21.350Z","related":["SUSE-SU-2024:2010-1","SUSE-SU-2024:2185-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/c5b518f4b98dbb2bc31b6a55e6aaa1e0e2948f2e"},{"type":"FIX","url":"https://git.kernel.org/stable/c/06888d571b513cbfc0b41949948def6cb81021b2"},{"type":"FIX","url":"https://git.kernel.org/stable/c/3b2b93a485fb7a970bc8b5daef16f4cf579d172f"},{"type":"FIX","url":"https://git.kernel.org/stable/c/44c7c901cb368a9f2493748f213b247b5872639f"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47348.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.10.51"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.18"}]},{"events":[{"introduced":"5.13"},{"fixed":"5.13.3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}