{"id":"CVE-2021-47332","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usx2y: Don't call free_pages_exact() with NULL address\n\nUnlike some other functions, we can't pass NULL pointer to\nfree_pages_exact().  Add a proper NULL check for avoiding possible\nOops.","modified":"2026-03-15T22:43:11.638432Z","published":"2024-05-21T15:15:20.133Z","related":["SUSE-SU-2024:2010-1","SUSE-SU-2024:2183-1","SUSE-SU-2024:2185-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d"},{"type":"FIX","url":"https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196"},{"type":"FIX","url":"https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19"},{"type":"FIX","url":"https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a"},{"type":"FIX","url":"https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.4.134"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.52"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.19"}]},{"events":[{"introduced":"5.13"},{"fixed":"5.13.4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47332.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:N/A:H"}]}