CVE-2026-98161

{"id": "CVE-2026-98161", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "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"}], "programFiles": ["drivers/nvdimm/pmem.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"status": "unaffected", "version": "0", "lessThan": "5.3", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.112", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.52", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.6", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/nvdimm/pmem.c"], "defaultStatus": "affected"}]}], "published": "2026-09-25T14:17:27.770", "references": [{"url": "https://git.kernel.org/stable/c/22d1f4dcdc9c6d0295c6db0c8933126098b14e05", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/72561ca1ab96f0f0f32737a6171641e05a318538", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/770a90c2127220f0fc194ce909ad4f0842e141cb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c644a2f8fef5618fcf453c591177700fd07dd024", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d34c30bc994328d9cf6749b2e9a32aabd08fd076", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-754"}]}], "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."}], "lastModified": "2026-10-21T13:21:24.663", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C610B7B2-2897-4305-8DD9-D67F94393609", "versionEndExcluding": "6.18.52", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAFE7055-A65A-44F4-BD4B-BF067EAE17F3", "versionEndExcluding": "7.2.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}