{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-52531",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-20T12:30:33.319Z",
        "datePublished": "2024-03-02T21:52:35.664Z",
        "dateUpdated": "2024-08-02T23:03:20.656Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:13:30.078Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: Fix a memory corruption issue\n\nA few lines above, space is kzalloc()'ed for:\n\tsizeof(struct iwl_nvm_data) +\n\tsizeof(struct ieee80211_channel) +\n\tsizeof(struct ieee80211_rate)\n\n'mvm->nvm_data' is a 'struct iwl_nvm_data', so it is fine.\n\nAt the end of this structure, there is the 'channels' flex array.\nEach element is of type 'struct ieee80211_channel'.\nSo only 1 element is allocated in this array.\n\nWhen doing:\n  mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels;\nWe point at the first element of the 'channels' flex array.\nSo this is fine.\n\nHowever, when doing:\n  mvm->nvm_data->bands[0].bitrates =\n\t\t\t(void *)((u8 *)mvm->nvm_data->channels + 1);\nbecause of the \"(u8 *)\" cast, we add only 1 to the address of the beginning\nof the flex array.\n\nIt is likely that we want point at the 'struct ieee80211_rate' allocated\njust after.\n\nRemove the spurious casting so that the pointer arithmetic works as\nexpected."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/intel/iwlwifi/mvm/fw.c"
                    ],
                    "versions": [
                        {
                            "version": "8ca151b568b6",
                            "lessThan": "7c8faa310803",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ca151b568b6",
                            "lessThan": "6b3223449c95",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ca151b568b6",
                            "lessThan": "f06cdd8d4ba5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ca151b568b6",
                            "lessThan": "8ba438ef3cac",
                            "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/wireless/intel/iwlwifi/mvm/fw.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.135",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.57",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.5.7",
                            "lessThanOrEqual": "6.5.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d"
                }
            ],
            "title": "wifi: iwlwifi: mvm: Fix a memory corruption issue",
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        },
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                                "id": "CVE-2023-52531",
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                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Technical Impact": "partial"
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                                "version": "2.0.3",
                                "timestamp": "2024-03-04T19:38:20.613089Z"
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T23:03:20.656Z"
                },
                "title": "CVE Program Container",
                "references": [
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