{"id":"AZL-8605","summary":"CVE-2021-45402 affecting package kernel for versions less than 5.15.26.1-1","details":"The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\"","modified":"2026-04-01T05:23:33.880881Z","published":"2022-02-11T15:15:07Z","upstream":["CVE-2021-45402"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45402"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.26.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8605.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:N/A:N"}]}