{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-56767",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T11:26:39.762Z",
        "datePublished": "2025-01-06T16:20:45.430Z",
        "dateUpdated": "2026-05-11T20:58:40.804Z"
    },
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            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset\n\nThe at_xdmac_memset_create_desc may return NULL, which will lead to a\nnull pointer dereference. For example, the len input is error, or the\natchan->free_descs_list is empty and memory is exhausted. Therefore, add\ncheck to avoid this."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/at_xdmac.c"
                    ],
                    "versions": [
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "3d229600c54e9e0909080ecaf1aab0642aefa5f0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "ed1a8aaa344522c0c349ac9042db27ad130ef913",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "8d364597de9ce2a5f52714224bfe6c2e7a29b303",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "fdba6d5e455388377ec7e82a5913ddfcc7edd93b",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "e658f1c133b854b2ae799147301d82dddb8f3162",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "54376d8d26596f98ed7432a788314bb9154bf3e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b206d9a23ac71cb905f5fb6e0cd813406f89b678",
                            "lessThan": "c43ec96e8d34399bd9dab2f2dc316b904892133f",
                            "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/at_xdmac.c"
                    ],
                    "versions": [
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.289",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.233",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.176",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.123",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.69",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.8",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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": "4.2",
                                    "versionEndExcluding": "5.4.289"
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.12.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.13"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303"
                },
                {
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                },
                {
                    "url": "https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f"
                }
            ],
            "title": "dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset",
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
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}