{"id":"AZL-10137","summary":"CVE-2021-4135 affecting package kernel for versions less than 5.15.67.1-4","details":"A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.","modified":"2026-04-01T05:05:12.576107Z","published":"2022-07-14T20:15:08Z","upstream":["CVE-2021-4135"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4135"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.67.1-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-10137.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"}]}