{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80831",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.796Z",
        "datePublished": "2026-09-04T15:54:36.250Z",
        "dateUpdated": "2026-10-19T08:44:23.654Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:44:23.654Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: mxs-dcp - fix source scatterlist length access\n\nmxs_dcp_aes_block_crypt() uses sg_dma_len() without mapping the source\nscatterlist with dma_map_sg() first. Therefore, sg_dma_len() is invalid\nand could return zero or a stale DMA length, causing encryption and\ndecryption to process the wrong number of bytes when\nCONFIG_NEED_SG_DMA_LENGTH=y.\n\nUse the original scatterlist length instead."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/crypto/mxs-dcp.c"
                    ],
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                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "fd0f211b27a6ec2ebd8c315683401b43adcc5511",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "04201dcc88b26eac52f736e39727fc5c420b7257",
                            "status": "affected",
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                            "status": "affected",
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                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "182f16a20d329a1c818d51dad57d9bf43d356c7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "0e9edb108a63bbbef952dfcbc597e34ed9c1fb74",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "6ef9a4afb52cb102ab038cd42352c142d8505d09",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "15b59e7c3733f90ff1f7dd66ad77ae1c90bcdff5",
                            "lessThan": "c5bcb084a9871e5b62afb5f48b60adfa13b5d9f8",
                            "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/crypto/mxs-dcp.c"
                    ],
                    "versions": [
                        {
                            "version": "3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.269",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.220",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.187",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.156",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.108",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.49",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.13",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.3",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fd0f211b27a6ec2ebd8c315683401b43adcc5511"
                },
                {
                    "url": "https://git.kernel.org/stable/c/04201dcc88b26eac52f736e39727fc5c420b7257"
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                    "url": "https://git.kernel.org/stable/c/e72a795df521cb65b7c4705cc11078cdacfaa2f4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1537bd55b4f842565068c54b47cd2ae1777d5f8f"
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                {
                    "url": "https://git.kernel.org/stable/c/da14fae5203b72ca71ccfa9af8de9249e40d533a"
                },
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                    "url": "https://git.kernel.org/stable/c/182f16a20d329a1c818d51dad57d9bf43d356c7c"
                },
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                    "url": "https://git.kernel.org/stable/c/0e9edb108a63bbbef952dfcbc597e34ed9c1fb74"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ef9a4afb52cb102ab038cd42352c142d8505d09"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c5bcb084a9871e5b62afb5f48b60adfa13b5d9f8"
                }
            ],
            "title": "crypto: mxs-dcp - fix source scatterlist length access",
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}