{"id":"AZL-68852","summary":"CVE-2025-40035 affecting package kernel for versions less than 6.6.112.1-2","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak\n\nStruct ff_effect_compat is embedded twice inside\nuinput_ff_upload_compat, contains internal padding. In particular, there\nis a hole after struct ff_replay to satisfy alignment requirements for\nthe following union member. Without clearing the structure,\ncopy_to_user() may leak stack data to userspace.\n\nInitialize ff_up_compat to zero before filling valid fields.","modified":"2026-04-01T05:21:30.023471Z","published":"2025-10-28T12:15:37Z","upstream":["CVE-2025-40035"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40035"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.112.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-68852.json"}}],"schema_version":"1.7.5"}