{"id":"AZL-40024","summary":"CVE-2024-26602 affecting package hyperv-daemons for versions less than 6.6.35.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched/membarrier: reduce the ability to hammer on sys_membarrier\n\nOn some systems, sys_membarrier can be very expensive, causing overall\nslowdowns for everything.  So put a lock on the path in order to\nserialize the accesses to prevent the ability for this to be called at\ntoo high of a frequency and saturate the machine.","modified":"2026-04-01T05:13:31.799986Z","published":"2024-02-26T16:28:00Z","upstream":["CVE-2024-26602"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26602"}],"affected":[{"package":{"name":"hyperv-daemons","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/hyperv-daemons"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.35.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-40024.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"}]}