{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46168",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.102Z",
        "datePublished": "2026-05-28T09:36:23.394Z",
        "dateUpdated": "2026-06-14T17:59:42.888Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:59:42.888Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/sockopt.c"
                    ],
                    "versions": [
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                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "0949d8bbbedbafe0136a1723c41eb823c2f1e09d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "e792cfb6aeaf65612cdf8e3ac431d65e66283654",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "ebeb70e29e37cfce899309cc2665a3bfe960ed94",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "b157dab93a7af44a84e78cf0cb311dde475cff5b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "8a005fe451c73fd2b3d1faa5643c11e6bd07acfc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "7eb513b42721bee4b96da69f6188d5a7783f210d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31",
                            "lessThan": "b5c52908d52c6c8eb8933264aa6087a0600fd892",
                            "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/mptcp/sockopt.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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:*:*:*:*:*:*:*:*",
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                                    "vulnerable": true,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "7.0.7"
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ebeb70e29e37cfce899309cc2665a3bfe960ed94"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892"
                }
            ],
            "title": "mptcp: fix scheduling with atomic in timestamp sockopt",
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}