{"id":"AZL-69404","summary":"CVE-2025-40103 affecting package kernel for versions less than 6.6.117.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Fix refcount leak for cifs_sb_tlink\n\nFix three refcount inconsistency issues related to `cifs_sb_tlink`.\n\nComments for `cifs_sb_tlink` state that `cifs_put_tlink()` needs to be\ncalled after successful calls to `cifs_sb_tlink()`. Three calls fail to\nupdate refcount accordingly, leading to possible resource leaks.","modified":"2026-04-01T05:21:53.449837Z","published":"2025-10-30T10:15:34Z","upstream":["CVE-2025-40103"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40103"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.117.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-69404.json"}}],"schema_version":"1.7.5"}