{"id":"AZL-58925","summary":"CVE-2025-21764 affecting package kernel for versions less than 6.6.82.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: use RCU protection in ndisc_alloc_skb()\n\nndisc_alloc_skb() can be called without RTNL or RCU being held.\n\nAdd RCU protection to avoid possible UAF.","modified":"2026-04-21T04:37:10.008796Z","published":"2025-02-27T03:15:17Z","upstream":["CVE-2025-21764"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21764"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.82.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-58925.json"}}],"schema_version":"1.7.5"}