{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-98161","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-09-25T14:17:27.770","lastModified":"2026-10-21T13:21:24.663","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","affectedData":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/nvdimm/pmem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"c5d4355d10d414a96ca870b731756b89d068d57a","lessThan":"22d1f4dcdc9c6d0295c6db0c8933126098b14e05","versionType":"git","status":"affected"},{"version":"c5d4355d10d414a96ca870b731756b89d068d57a","lessThan":"d34c30bc994328d9cf6749b2e9a32aabd08fd076","versionType":"git","status":"affected"},{"version":"c5d4355d10d414a96ca870b731756b89d068d57a","lessThan":"770a90c2127220f0fc194ce909ad4f0842e141cb","versionType":"git","status":"affected"},{"version":"c5d4355d10d414a96ca870b731756b89d068d57a","lessThan":"72561ca1ab96f0f0f32737a6171641e05a318538","versionType":"git","status":"affected"},{"version":"c5d4355d10d414a96ca870b731756b89d068d57a","lessThan":"c644a2f8fef5618fcf453c591177700fd07dd024","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/nvdimm/pmem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","versionType":"semver","status":"unaffected"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","versionType":"semver","status":"unaffected"},{"version":"7.3","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-754"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.52","matchCriteriaId":"C610B7B2-2897-4305-8DD9-D67F94393609"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2.6","matchCriteriaId":"BAFE7055-A65A-44F4-BD4B-BF067EAE17F3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/22d1f4dcdc9c6d0295c6db0c8933126098b14e05","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/72561ca1ab96f0f0f32737a6171641e05a318538","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/770a90c2127220f0fc194ce909ad4f0842e141cb","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c644a2f8fef5618fcf453c591177700fd07dd024","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/d34c30bc994328d9cf6749b2e9a32aabd08fd076","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}