{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-49325",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: add accessors to read/set tp->snd_cwnd\n\nWe had various bugs over the years with code\nbreaking the assumption that tp->snd_cwnd is greater\nthan zero.\n\nLately, syzbot reported the WARN_ON_ONCE(!tp->prior_cwnd) added\nin commit 8b8a321ff72c (\"tcp: fix zero cwnd in tcp_cwnd_reduction\")\ncan trigger, and without a repro we would have to spend\nconsiderable time finding the bug.\n\nInstead of complaining too late, we want to catch where\nand when tp->snd_cwnd is set to an illegal value."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                                            "version_value": "3308676ec525901bf1656014003c443a60730a04"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.15.47",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.17.15",
                                                        "lessThanOrEqual": "5.17.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.18.4",
                                                        "lessThanOrEqual": "5.18.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.19",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/3308676ec525901bf1656014003c443a60730a04",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3308676ec525901bf1656014003c443a60730a04"
            },
            {
                "url": "https://git.kernel.org/stable/c/5aba0ad44fb4a7fb78c5076c313456de199a3c29",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/5aba0ad44fb4a7fb78c5076c313456de199a3c29"
            },
            {
                "url": "https://git.kernel.org/stable/c/41e191fe72282e193a7744e2fc1786b23156c9e4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/41e191fe72282e193a7744e2fc1786b23156c9e4"
            },
            {
                "url": "https://git.kernel.org/stable/c/40570375356c874b1578e05c1dcc3ff7c1322dbe",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/40570375356c874b1578e05c1dcc3ff7c1322dbe"
            }
        ]
    },
    "generator": {
        "engine": "bippy-5f407fcff5a0"
    }
}