{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-97522",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-24T16:01:01.152Z",
        "datePublished": "2026-09-25T10:21:26.420Z",
        "dateUpdated": "2026-10-19T09:08:40.383Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:08:40.383Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix bad accounting in __mptcp_subflow_push_pending()\n\nIf __subflow_push_pending() errors out we should avoid updating the\ncopied byte counters, to avoid mismatch push call later on."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "0fa1b3783a17d75a4aa1651a18ede041ffca5750",
                            "lessThan": "ddbf9f03c1cc7d5b86eebe7c2beea0db4286d354",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fa1b3783a17d75a4aa1651a18ede041ffca5750",
                            "lessThan": "9781fa35d9f7a87a83115acd3a88bc9ce35b5407",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fa1b3783a17d75a4aa1651a18ede041ffca5750",
                            "lessThan": "a0a64525f3414268ed4b1945a1dc690aa974dd4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fa1b3783a17d75a4aa1651a18ede041ffca5750",
                            "lessThan": "dc054821e639a2e14f1419436612db70b6af45fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0fa1b3783a17d75a4aa1651a18ede041ffca5750",
                            "lessThan": "f3ef03357396d4b147d8e76c75fb612c2f264ffc",
                            "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/protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.6",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ddbf9f03c1cc7d5b86eebe7c2beea0db4286d354"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9781fa35d9f7a87a83115acd3a88bc9ce35b5407"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a0a64525f3414268ed4b1945a1dc690aa974dd4f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc054821e639a2e14f1419436612db70b6af45fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f3ef03357396d4b147d8e76c75fb612c2f264ffc"
                }
            ],
            "title": "mptcp: fix bad accounting in __mptcp_subflow_push_pending()",
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    }
}