CVE-2026-98161

CVE CVE-2026-98161EUVD EUVD-2026-87061Published 2026-09-25T13:06:51.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: nvdimm: pmem: keep PREFLUSH before data writes pmem_submit_bio() records a REQ_PREFLUSH error, but continues to copy the bio data and can later overwrite the error with a successful REQ_FUA flush. That lets data writes run after a failed preflush and can complete the bio successfully despite the failed ordering barrier. Run the REQ_PREFLUSH flush synchronously before touching the bio data and complete the bio with the flush error if it fails. Keep asynchronous flush chaining for REQ_FUA. At that point, data copy has completed and the parent bio can wait for the chained flush bio.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <770a90c2127220f0fc194ce909ad4f0842e141cb; 0 <6.18.52; patch: 7.2.6; 0 <7.2.6; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <72561ca1ab96f0f0f32737a6171641e05a318538; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c644a2f8fef5618fcf453c591177700fd07dd024; patch: 7.3-rc1; patch: 6.18.52

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

Does this concern one of your customers?

This page cannot answer that — it does not know your estate. Whoever has recorded their environments gets the answer the morning after publication, together with a paragraph they can forward to the customer unedited.

Try it for 28 days

Patchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.