{"id":"AZL-6572","summary":"CVE-2021-35477 affecting package kernel for versions less than 5.10.78.1-1","details":"In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.","modified":"2026-04-01T05:20:38.074607Z","published":"2021-08-02T04:15:07Z","upstream":["CVE-2021-35477"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35477"}],"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-6572.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"}]}