{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89993",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.780Z",
        "datePublished": "2026-09-16T10:33:06.611Z",
        "dateUpdated": "2026-10-19T08:56:07.415Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:56:07.415Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: dw-edma: Initialize IRQ data before requesting IRQs\n\ndw_edma_irq_request() passes struct dw_edma_irq to request_irq() before\ndw_edma_channel_setup() fills the back pointer. A shared interrupt can\ntherefore enter the handler with dw_irq->dw still NULL, leading to a\nNULL pointer dereference.\n\nSet the back pointer before installing each handler."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/dw-edma/dw-edma-core.c"
                    ],
                    "versions": [
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "b86280b12ccf33b68b309b7cb0e4476894dfe77c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "07e50cef557def076418c67051a336e4c6bd50e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "d232bc6cf4562132ef50644484dfd4b23a593295",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "fac202d73e7a649b7d4010325c6c6dcd9334fe65",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "d91fb6c0d10dad32929dc5c6850f89df34e1bfcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf",
                            "lessThan": "647217abea849d3d45f8cb0b8ee5b78d50f26985",
                            "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/dw-edma/dw-edma-core.c"
                    ],
                    "versions": [
                        {
                            "version": "5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "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": "5.3",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "6.18.51"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "7.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b86280b12ccf33b68b309b7cb0e4476894dfe77c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/07e50cef557def076418c67051a336e4c6bd50e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d232bc6cf4562132ef50644484dfd4b23a593295"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fac202d73e7a649b7d4010325c6c6dcd9334fe65"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d91fb6c0d10dad32929dc5c6850f89df34e1bfcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/647217abea849d3d45f8cb0b8ee5b78d50f26985"
                }
            ],
            "title": "dmaengine: dw-edma: Initialize IRQ data before requesting IRQs",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}