{"id":"AZL-6556","summary":"CVE-2021-30178 affecting package kernel for versions less than 5.10.78.1-1","details":"An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.","modified":"2026-04-21T04:37:38.149617Z","published":"2021-04-07T00:15:13Z","upstream":["CVE-2021-30178"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30178"}],"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-6556.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:N/I:N/A:H"}]}