{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64019", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.027Z", "datePublished": "2026-07-19T15:39:13.400Z", "dateUpdated": "2026-07-19T15:39:13.400Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T15:39:13.400Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-pci: fix dma mapping leak on data setup error\n\nWe're leaking the initial DMA mapping during iteration if we fail to\nallocate the tracking descriptor for both PRP and SGL. Unmap the\niterator directly; we can't use the existing unmap helper because it\ndepends on the tracking descriptor being successfully allocated, so a\nnew one for an in-use iterator is provided.\n\nThe mappings were also leaking when the driver detects an invalid\nbio_vec when mapping PRPs, so fix that too."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/host/pci.c"], "versions": [{"version": "7ce3c1dd78fca86ea8b9aee370db10c7a8cfc3c2", "lessThan": "e50db059ec8e63bc50b1cc039e2502cb5ea75a70", "status": "affected", "versionType": "git"}, {"version": "7ce3c1dd78fca86ea8b9aee370db10c7a8cfc3c2", "lessThan": "1bf86336e4b6cf40873fda47a7fe191446864937", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/host/pci.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e50db059ec8e63bc50b1cc039e2502cb5ea75a70"}, {"url": "https://git.kernel.org/stable/c/1bf86336e4b6cf40873fda47a7fe191446864937"}], "title": "nvme-pci: fix dma mapping leak on data setup error", "x_generator": {"engine": "bippy-1.2.0"}}}}

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