{"id":"AZL-104789","summary":"CVE-2026-97916 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Validate firmware log buffer metadata\n\nThe tracing log headers parsed by fw_log_print_buffer() reside in\nDMA-shared BOs that the NPU firmware can write to.\n\nfw_log_from_bo() validated log-\u003eheader_size and log-\u003esize, but\nfw_log_print_buffer() re-read those same fields from shared memory\nafterwards, allowing a TOCTOU where firmware changes them between the\ncheck and the use, and making the host dereference out-of-bounds\naddresses while printing logs.\n\nSnapshot the validated values once with READ_ONCE() and pass them down\nexplicitly in a new struct ivpu_fw_log_desc instead of re-reading them\nfrom the shared struct.","modified":"2026-09-26T14:16:05.974470886Z","published":"2026-09-25T11:17:18Z","upstream":["CVE-2026-97916"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97916"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.157.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-104789.json"}}],"schema_version":"1.9.0"}