{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38112",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.985Z",
        "datePublished": "2025-07-03T08:35:21.276Z",
        "dateUpdated": "2026-05-11T21:21:29.520Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:21:29.520Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: Fix TOCTOU issue in sk_is_readable()\n\nsk->sk_prot->sock_is_readable is a valid function pointer when sk resides\nin a sockmap. After the last sk_psock_put() (which usually happens when\nsocket is removed from sockmap), sk->sk_prot gets restored and\nsk->sk_prot->sock_is_readable becomes NULL.\n\nThis makes sk_is_readable() racy, if the value of sk->sk_prot is reloaded\nafter the initial check. Which in turn may lead to a null pointer\ndereference.\n\nEnsure the function pointer does not turn NULL after the check."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/net/sock.h"
                    ],
                    "versions": [
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "c2b26638476baee154920bb587fc94ff1bf04336",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "6fa68d7eab34d448a61aa24ea31e68b3231ed20d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "8926a7ef1977a832dd6bf702f1a99303dbf15b15",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "ff55c85a923e043d59d26b20a673a1b4a219c310",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "1e0de7582ceccbdbb227d4e0ddf65732f92526da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "1b367ba2f94251822577daed031d6b9a9e11ba91",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8934ce2fd08171e8605f7fada91ee7619fe17ab8",
                            "lessThan": "2660a544fdc0940bba15f70508a46cf9a6491230",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/net/sock.h"
                    ],
                    "versions": [
                        {
                            "version": "4.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.239",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.186",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.142",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.94",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.34",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.3",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16",
                            "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": "4.17",
                                    "versionEndExcluding": "5.10.239"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "5.15.186"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "6.1.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "6.6.94"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "6.12.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "6.15.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "6.16"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c2b26638476baee154920bb587fc94ff1bf04336"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6fa68d7eab34d448a61aa24ea31e68b3231ed20d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8926a7ef1977a832dd6bf702f1a99303dbf15b15"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff55c85a923e043d59d26b20a673a1b4a219c310"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1e0de7582ceccbdbb227d4e0ddf65732f92526da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1b367ba2f94251822577daed031d6b9a9e11ba91"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2660a544fdc0940bba15f70508a46cf9a6491230"
                }
            ],
            "title": "net: Fix TOCTOU issue in sk_is_readable()",
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                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
                    }
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                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T17:34:15.443Z"
                }
            }
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    }
}