{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80884", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.799Z", "datePublished": "2026-09-04T16:49:31.751Z", "dateUpdated": "2026-09-04T16:49:31.751Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-04T16:49:31.751Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: Store original DMA address for future release\n\nThe DMA API requires that dma_free_attrs receive the exact dma_handle\noriginally returned by the allocation function. Do not modify it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ntb/ntb_transport.c"], "versions": [{"version": "fc5d1829f9bf3d8275322727c0e9a8baf268b7c6", "lessThan": "10662aafce4acd52278c942d0a5b3993594017b9", "status": "affected", "versionType": "git"}, {"version": "fc5d1829f9bf3d8275322727c0e9a8baf268b7c6", "lessThan": "da6d997ac556479c112554ab5d95cbd04683eb11", "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/ntb/ntb_transport.c"], "versions": [{"version": "4.20", "status": "affected"}, {"version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "4.20", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/10662aafce4acd52278c942d0a5b3993594017b9"}, {"url": "https://git.kernel.org/stable/c/da6d997ac556479c112554ab5d95cbd04683eb11"}], "title": "ntb: Store original DMA address for future release", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/ntb/ntb_transport.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "10662aafce4acd52278c942d0a5b3993594017b9", "status": "affected", "version": "fc5d1829f9bf3d8275322727c0e9a8baf268b7c6", "versionType": "git"}, {"lessThan": "da6d997ac556479c112554ab5d95cbd04683eb11", "status": "affected", "version": "fc5d1829f9bf3d8275322727c0e9a8baf268b7c6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/ntb/ntb_transport.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.20"}, {"lessThan": "4.20", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: Store original DMA address for future release\n\nThe DMA API requires that dma_free_attrs receive the exact dma_handle\noriginally returned by the allocation function. Do not modify it."}], "id": "CVE-2026-80884", "lastModified": "2026-09-04T17:17:01.103", "metrics": {}, "published": "2026-09-04T17:17:01.103", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/10662aafce4acd52278c942d0a5b3993594017b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/da6d997ac556479c112554ab5d95cbd04683eb11"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-09-04T20:00:07.182255+00:00", "title": "Linux Kernel DMA Handle Misuse Causes Memory Corruption", "updated": "2026-09-04T20:00:07.182261+00:00", "vendors": [], "weaknesses": ["CWE-20"]}