{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53705",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-22T13:21:37.346Z",
        "datePublished": "2025-10-22T13:23:42.641Z",
        "dateUpdated": "2026-05-11T19:50:15.638Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:50:15.638Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bounds access in ipv6_find_tlv()\n\noptlen is fetched without checking whether there is more than one byte to parse.\nIt can lead to out-of-bounds access.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/exthdrs_core.c"
                    ],
                    "versions": [
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "59e656d0d4a84ea0ee9a39c6f69160a3effccc94",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "04bf69e3de435d793a203aacc4b774f8f9f2baeb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "011f47c8b8389154f996f5f69da8efc3a3beefef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "e5f82688ae10f5f386952e65e941bb8868ee54dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "9b92e2d0eb696d7586ba832c8854653b59887da0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "91dd8aab9c9f193210681b86b6b92840ffe74f0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "ae68c0f7edbc9a294094ce03a0aaf45aa489ce40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
                            "lessThan": "878ecb0897f4737a4c9401f3523fd49589025671",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/exthdrs_core.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.316",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.284",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.244",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.181",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.114",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.31",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.5",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "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": "2.6.19",
                                    "versionEndExcluding": "4.14.316"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "4.19.284"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "5.10.181"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "5.15.114"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.19",
                                    "versionEndExcluding": "6.4"
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                            ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94"
                },
                {
                    "url": "https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40"
                },
                {
                    "url": "https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671"
                }
            ],
            "title": "ipv6: Fix out-of-bounds access in ipv6_find_tlv()",
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}