{"id":"AZL-104201","summary":"CVE-2026-98161 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm: pmem: keep PREFLUSH before data writes\n\npmem_submit_bio() records a REQ_PREFLUSH error, but continues to copy the\nbio data and can later overwrite the error with a successful REQ_FUA flush.\nThat lets data writes run after a failed preflush and can complete the bio\nsuccessfully despite the failed ordering barrier.\n\nRun the REQ_PREFLUSH flush synchronously before touching the bio data and\ncomplete the bio with the flush error if it fails. Keep asynchronous flush\nchaining for REQ_FUA. At that point, data copy has completed and the parent\nbio can wait for the chained flush bio.","modified":"2026-09-26T14:16:09.728142172Z","published":"2026-09-25T14:17:27Z","upstream":["CVE-2026-98161"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98161"}],"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-104201.json"}}],"schema_version":"1.9.0"}