{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98298",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.337Z",
        "datePublished": "2026-10-06T08:45:56.417Z",
        "dateUpdated": "2026-10-19T09:17:09.166Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:17:09.166Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: mmp_pdma: fix wrong sg length in mmp_pdma_prep_slave_sg()\n\nIn mmp_pdma_prep_slave_sg(), for_each_sg() iterates the scatterlist\nputting each entry into 'sg', but the entry length is read from 'sgl'\n(the list head) instead of 'sg' (the current entry):\n\n    for_each_sg(sgl, sg, sg_len, i) {\n        addr = sg_dma_address(sg);\n        avail = sg_dma_len(sgl);   /* should be 'sg' */\n\nConsequently 'avail' is always the length of the first entry. For\nmulti-sg lists this causes out-of-bounds reads when a later entry is\nshorter than the first, and silent data loss when it is longer.\nSingle-sg or uniformly-sized lists happen to mask the issue."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/mmp_pdma.c"
                    ],
                    "versions": [
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "f448a5f5bd10d792440a1b08cf2e8f311767032d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "2148db529f082d6e3ca95413bf943442f4ef30cc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "d920c07aa6d89ec11afdb6976aafaee9563a5234",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "4a33886057e6d127555efb022879c583e966acc5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "88a505330eb06128f7ce79a4c5e4832b7601b3d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "bae65e4925928f77824ca0103122e2ed20ef5802",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "54ccc01012a240476edf641bf1a2b8bff54fe6ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2",
                            "lessThan": "075bc7b1d3dde5ed43fbaabbc1a69f09b7fc3a47",
                            "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/dma/mmp_pdma.c"
                    ],
                    "versions": [
                        {
                            "version": "3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "3.7",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
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                                },
                                {
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                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "7.3"
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f448a5f5bd10d792440a1b08cf2e8f311767032d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2148db529f082d6e3ca95413bf943442f4ef30cc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d920c07aa6d89ec11afdb6976aafaee9563a5234"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a33886057e6d127555efb022879c583e966acc5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/88a505330eb06128f7ce79a4c5e4832b7601b3d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bae65e4925928f77824ca0103122e2ed20ef5802"
                },
                {
                    "url": "https://git.kernel.org/stable/c/54ccc01012a240476edf641bf1a2b8bff54fe6ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/075bc7b1d3dde5ed43fbaabbc1a69f09b7fc3a47"
                }
            ],
            "title": "dmaengine: mmp_pdma: fix wrong sg length in mmp_pdma_prep_slave_sg()",
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}