{"id":"AZL-93437","summary":"CVE-2026-64381 affecting package kernel for versions less than 6.6.145.2-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Fix next buffer leak in receive_encrypted_standard()\n\nreceive_encrypted_standard() allocates next_buffer before checking\nwhether the number of compound PDUs already reached MAX_COMPOUND. If\nthe limit check fails, the function returns immediately and the newly\nallocated next_buffer is not assigned to server-\u003esmallbuf/server-\u003ebigbuf,\nmaking it leaked.\n\nMove the MAX_COMPOUND check before allocating next_buffer.","modified":"2026-08-28T17:47:48.414670573Z","published":"2026-07-25T10:17:21Z","upstream":["CVE-2026-64381"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64381"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.145.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-93437.json"}}],"schema_version":"1.9.0"}