{"id":"AZL-6597","summary":"CVE-2021-41864 affecting package kernel for versions less than 5.10.78.1-1","details":"prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.","modified":"2026-04-01T05:20:40.485761Z","published":"2021-10-02T00:15:07Z","upstream":["CVE-2021-41864"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41864"}],"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-6597.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"}]}