{"id":"AZL-67523","summary":"CVE-2025-39853 affecting package kernel for versions less than 6.6.112.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix potential invalid access when MAC list is empty\n\nlist_first_entry() never returns NULL - if the list is empty, it still\nreturns a pointer to an invalid object, leading to potential invalid\nmemory access when dereferenced.\n\nFix this by using list_first_entry_or_null instead of list_first_entry.","modified":"2026-04-21T04:38:10.883114Z","published":"2025-09-19T16:15:44Z","upstream":["CVE-2025-39853"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39853"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.112.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-67523.json"}}],"schema_version":"1.7.5"}