{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53181",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:59:19.065Z",
        "datePublished": "2025-09-15T14:04:32.098Z",
        "dateUpdated": "2026-05-11T19:39:50.199Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:39:50.199Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf/dma-resv: Stop leaking on krealloc() failure\n\nCurrently dma_resv_get_fences() will leak the previously\nallocated array if the fence iteration got restarted and\nthe krealloc_array() fails.\n\nFree the old array by hand, and make sure we still clear\nthe returned *fences so the caller won't end up accessing\nfreed memory. Some (but not all) of the callers of\ndma_resv_get_fences() seem to still trawl through the\narray even when dma_resv_get_fences() failed. And let's\nzero out *num_fences as well for good measure."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma-buf/dma-resv.c"
                    ],
                    "versions": [
                        {
                            "version": "d3c80698c9f58a0683badf78793eebaa0c71afbd",
                            "lessThan": "19e7b9f1f7e1cb92a4cc53b4c064f7fb4b1f1983",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3c80698c9f58a0683badf78793eebaa0c71afbd",
                            "lessThan": "819656cc03dec7f7f7800274dfbc8eb49f888e9f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3c80698c9f58a0683badf78793eebaa0c71afbd",
                            "lessThan": "05abb3be91d8788328231ee02973ab3d47f5e3d2",
                            "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-buf/dma-resv.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.42",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.7",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "5.16",
                                    "versionEndExcluding": "6.1.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.4.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/19e7b9f1f7e1cb92a4cc53b4c064f7fb4b1f1983"
                },
                {
                    "url": "https://git.kernel.org/stable/c/819656cc03dec7f7f7800274dfbc8eb49f888e9f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/05abb3be91d8788328231ee02973ab3d47f5e3d2"
                }
            ],
            "title": "dma-buf/dma-resv: Stop leaking on krealloc() failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}