{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-49977",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T12:17:06.052Z",
        "datePublished": "2024-10-21T18:02:24.480Z",
        "dateUpdated": "2024-10-22T13:38:45.017Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-10-21T18:02:24.480Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: Fix zero-division error when disabling tc cbs\n\nThe commit b8c43360f6e4 (\"net: stmmac: No need to calculate speed divider\nwhen offload is disabled\") allows the \"port_transmit_rate_kbps\" to be\nset to a value of 0, which is then passed to the \"div_s64\" function when\ntc-cbs is disabled. This leads to a zero-division error.\n\nWhen tc-cbs is disabled, the idleslope, sendslope, and credit values the\ncredit values are not required to be configured. Therefore, adding a return\nstatement after setting the txQ mode to DCB when tc-cbs is disabled would\nprevent a zero-division error."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c"
                    ],
                    "versions": [
                        {
                            "version": "b4bca4722fda",
                            "lessThan": "e33fe25b1efe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2145583e5995",
                            "lessThan": "b0da9504a528",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "521d42a1c24d",
                            "lessThan": "5d43e1ad4567",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a71b686418ee",
                            "lessThan": "03582f475242",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b8c43360f6e4",
                            "lessThan": "e297a2bf56d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b8c43360f6e4",
                            "lessThan": "837d9df9c079",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b8c43360f6e4",
                            "lessThan": "675faf5a14c1",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.227",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.168",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.113",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.55",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.14",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11.3",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.12-rc1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e33fe25b1efe4f2e6a5858786dbc82ae4c44ed4c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b0da9504a528f05f97d926b4db74ff21917a33e9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5d43e1ad4567d67af2b42d3ab7c14152ffed25c6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/03582f4752427f60817d896f1a827aff772bd31e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e297a2bf56d12fd7f91a0c209eb6ea84361f3368"
                },
                {
                    "url": "https://git.kernel.org/stable/c/837d9df9c0792902710149d1a5e0991520af0f93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/675faf5a14c14a2be0b870db30a70764df81e2df"
                }
            ],
            "title": "net: stmmac: Fix zero-division error when disabling tc cbs",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-49977",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-10-22T13:33:01.213521Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-10-22T13:38:45.017Z"
                }
            }
        ]
    }
}