{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38588",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:24.026Z",
        "datePublished": "2025-08-19T17:03:09.856Z",
        "dateUpdated": "2026-05-23T16:00:10.425Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:00:10.425Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: prevent infinite loop in rt6_nlmsg_size()\n\nWhile testing prior patch, I was able to trigger\nan infinite loop in rt6_nlmsg_size() in the following place:\n\nlist_for_each_entry_rcu(sibling, &f6i->fib6_siblings,\n\t\t\tfib6_siblings) {\n\trt6_nh_nlmsg_size(sibling->fib6_nh, &nexthop_len);\n}\n\nThis is because fib6_del_route() and fib6_add_rt2node()\nuses list_del_rcu(), which can confuse rcu readers,\nbecause they might no longer see the head of the list.\n\nRestart the loop if f6i->fib6_nsiblings is zero."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/ip6_fib.c",
                        "net/ipv6/route.c"
                    ],
                    "versions": [
                        {
                            "version": "d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2",
                            "lessThan": "6d345136c9b875f065d226908a29c25cdf9343f8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "52da02521ede55fb86546c3fffd9377b3261b91f",
                            "lessThan": "e1b7932af47f92432be8303d2439d1bf77b0be23",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "34a949e7a0869dfa31a40416d2a56973fae1807b",
                            "lessThan": "cd8d8bbd9ced4cc5d06d858f67d4aa87745e8f38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
                            "lessThan": "3c13db3e47e170bab19e574404e7b6be45ea873d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
                            "lessThan": "46aeb66e9e54ed0d56c18615e1c3dbd502b327ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
                            "lessThan": "54e6fe9dd3b0e7c481c2228782c9494d653546da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "11edcd026012ac18acee0f1514db3ed1b160fc6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.128",
                            "lessThan": "6.1.148",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.75",
                            "lessThan": "6.6.102",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.2",
                            "lessThan": "6.12.42",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.11.11",
                            "lessThan": "6.12",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/ip6_fib.c",
                        "net/ipv6/route.c"
                    ],
                    "versions": [
                        {
                            "version": "6.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.148",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.102",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.42",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.10",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.1",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "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": "6.1.128",
                                    "versionEndExcluding": "6.1.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6.75",
                                    "versionEndExcluding": "6.6.102"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.2",
                                    "versionEndExcluding": "6.12.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "6.15.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "6.16.1"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "6.17"
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                                {
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                                    "versionStartIncluding": "6.11.11"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6d345136c9b875f065d226908a29c25cdf9343f8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e1b7932af47f92432be8303d2439d1bf77b0be23"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd8d8bbd9ced4cc5d06d858f67d4aa87745e8f38"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3c13db3e47e170bab19e574404e7b6be45ea873d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46aeb66e9e54ed0d56c18615e1c3dbd502b327ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/54e6fe9dd3b0e7c481c2228782c9494d653546da"
                }
            ],
            "title": "ipv6: prevent infinite loop in rt6_nlmsg_size()",
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
                    }
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                "providerMetadata": {
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                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T17:40:13.723Z"
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}