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    "cveMetadata": {
        "cveId": "CVE-2021-47604",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-24T15:11:00.736Z",
        "datePublished": "2024-06-19T14:54:03.664Z",
        "dateUpdated": "2026-05-11T13:57:45.474Z"
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                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: check that offset is within bounds in get_config()\n\nThis condition checks \"len\" but it does not check \"offset\" and that\ncould result in an out of bounds read if \"offset > dev->config_size\".\nThe problem is that since both variables are unsigned the\n\"dev->config_size - offset\" subtraction would result in a very high\nunsigned value.\n\nI think these checks might not be necessary because \"len\" and \"offset\"\nare supposed to already have been validated using the\nvhost_vdpa_config_validate() function.  But I do not know the code\nperfectly, and I like to be safe."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/vdpa/vdpa_user/vduse_dev.c"
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                            "version": "c8a6153b6c59d95c0e091f053f6f180952ade91e",
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                            "status": "affected"
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                            "versionType": "semver"
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                        {
                            "version": "5.15.11",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
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                            "version": "5.16",
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                            "versionType": "original_commit_for_fix"
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                                    "versionEndExcluding": "5.15.11"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
                    "url": "https://git.kernel.org/stable/c/ebbbc5fea3f648175df1aa3f127c78eb0252cc2a"
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                {
                    "url": "https://git.kernel.org/stable/c/dc1db0060c02d119fd4196924eff2d1129e9a442"
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            "title": "vduse: check that offset is within bounds in get_config()",
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                    "dateUpdated": "2024-08-04T05:47:40.211Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/ebbbc5fea3f648175df1aa3f127c78eb0252cc2a",
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                            "content": {
                                "id": "CVE-2021-47604",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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