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    "cveMetadata": {
        "cveId": "CVE-2021-47516",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-24T15:02:54.824Z",
        "datePublished": "2024-05-24T15:09:30.022Z",
        "dateUpdated": "2024-09-11T17:32:51.440Z"
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                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:09:19.169Z"
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: Fix memory leak in nfp_cpp_area_cache_add()\n\nIn line 800 (#1), nfp_cpp_area_alloc() allocates and initializes a\nCPP area structure. But in line 807 (#2), when the cache is allocated\nfailed, this CPP area structure is not freed, which will result in\nmemory leak.\n\nWe can fix it by freeing the CPP area when the cache is allocated\nfailed (#2).\n\n792 int nfp_cpp_area_cache_add(struct nfp_cpp *cpp, size_t size)\n793 {\n794 \tstruct nfp_cpp_area_cache *cache;\n795 \tstruct nfp_cpp_area *area;\n\n800\tarea = nfp_cpp_area_alloc(cpp, NFP_CPP_ID(7, NFP_CPP_ACTION_RW, 0),\n801 \t\t\t\t  0, size);\n\t// #1: allocates and initializes\n\n802 \tif (!area)\n803 \t\treturn -ENOMEM;\n\n805 \tcache = kzalloc(sizeof(*cache), GFP_KERNEL);\n806 \tif (!cache)\n807 \t\treturn -ENOMEM; // #2: missing free\n\n817\treturn 0;\n818 }"
                }
            ],
            "affected": [
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c"
                    ],
                    "versions": [
                        {
                            "version": "4cb584e0ee7d",
                            "lessThan": "3e93abcdcec0",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "4cb584e0ee7d",
                            "lessThan": "eb51f639ef3f",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "4cb584e0ee7d",
                            "lessThan": "2e0e072e62fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4cb584e0ee7d",
                            "lessThan": "484069b5de9d",
                            "status": "affected",
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                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c"
                    ],
                    "versions": [
                        {
                            "version": "4.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.11",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.14.258",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "4.19.221",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "5.4.165",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.85",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.8",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3e93abcdcec0436fbf0b6a88ae806902426895a2"
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                {
                    "url": "https://git.kernel.org/stable/c/c56c96303e9289cc34716b1179597b6f470833de"
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            "title": "nfp: Fix memory leak in nfp_cpp_area_cache_add()",
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