{"id":"CVE-2026-98161","published":"2026-09-25T14:17:27.770","lastModified":"2026-09-28T06:16:39.087","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/72561ca1ab96f0f0f32737a6171641e05a318538","tags":[]},{"url":"https://git.kernel.org/stable/c/770a90c2127220f0fc194ce909ad4f0842e141cb","tags":[]},{"url":"https://git.kernel.org/stable/c/c644a2f8fef5618fcf453c591177700fd07dd024","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}