{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50865",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.136Z",
        "datePublished": "2025-12-30T12:15:37.150Z",
        "dateUpdated": "2026-06-16T15:51:51.892Z"
    },
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                "dateUpdated": "2026-05-11T19:26:37.091Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: fix a signed-integer-overflow bug in tcp_add_backlog()\n\nThe type of sk_rcvbuf and sk_sndbuf in struct sock is int, and\nin tcp_add_backlog(), the variable limit is caculated by adding\nsk_rcvbuf, sk_sndbuf and 64 * 1024, it may exceed the max value\nof int and overflow. This patch reduces the limit budget by\nhalving the sndbuf to solve this issue since ACK packets are much\nsmaller than the payload."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/tcp_ipv4.c"
                    ],
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                            "lessThan": "9d04b4d0feee12bce6bfe37f30d8e953d3c30368",
                            "status": "affected",
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                            "lessThan": "4f23cb2be530785db284a685d1b1c30224d8a538",
                            "status": "affected",
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                            "status": "affected",
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                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv4/tcp_ipv4.c"
                    ],
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                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.278",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.153",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.77",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.7",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "5.4.278"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9d04b4d0feee12bce6bfe37f30d8e953d3c30368"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4f23cb2be530785db284a685d1b1c30224d8a538"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/ec791d8149ff60c40ad2074af3b92a39c916a03f"
                }
            ],
            "title": "tcp: fix a signed-integer-overflow bug in tcp_add_backlog()",
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                                "timestamp": "2026-06-16T15:51:41.874254Z",
                                "id": "CVE-2022-50865",
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                                        "Exploitation": "none"
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