{"id":"AZL-6535","summary":"CVE-2021-28375 affecting package kernel for versions less than 5.10.78.1-1","details":"An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.","modified":"2026-04-01T05:20:52.564892Z","published":"2021-03-15T05:15:13Z","upstream":["CVE-2021-28375"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28375"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.78.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6535.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:H/I:H/A:H"}]}