{"id":"AZL-78485","summary":"CVE-2026-22999 affecting package kernel for versions less than 5.15.200.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: sch_qfq: do not free existing class in qfq_change_class()\n\nFixes qfq_change_class() error case.\n\ncl-\u003eqdisc and cl should only be freed if a new class and qdisc\nwere allocated, or we risk various UAF.","modified":"2026-04-01T05:23:15.429428Z","published":"2026-01-25T15:15:54Z","upstream":["CVE-2026-22999"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22999"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-78485.json"}}],"schema_version":"1.7.5"}