{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T07:12:40.586Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:12:40.586Z"},"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":[{"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":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"3e93abcdcec0436fbf0b6a88ae806902426895a2","status":"affected","versionType":"git"},{"version":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"eb51f639ef3fd5498b7def290ed8681b6aadd9a7","status":"affected","versionType":"git"},{"version":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"2e0e072e62fdaf7816220af08e05c020f0fcb77a","status":"affected","versionType":"git"},{"version":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"484069b5de9d223cc1c64c6f80389a99cfef51f1","status":"affected","versionType":"git"},{"version":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"f707820c09239d6f67699d9b2ff57863cc7905b0","status":"affected","versionType":"git"},{"version":"4cb584e0ee7df70fd0376aee60cf701855ea8c81","lessThan":"c56c96303e9289cc34716b1179597b6f470833de","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/netronome/nfp/nfpcore/nfp_cppcore.c"],"versions":[{"version":"4.11","status":"affected"},{"version":"0","lessThan":"4.11","status":"unaffected","versionType":"semver"},{"version":"4.14.258","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.221","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.165","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.85","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.8","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"4.14.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"4.19.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.4.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.10.85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.15.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3e93abcdcec0436fbf0b6a88ae806902426895a2"},{"url":"https://git.kernel.org/stable/c/eb51f639ef3fd5498b7def290ed8681b6aadd9a7"},{"url":"https://git.kernel.org/stable/c/2e0e072e62fdaf7816220af08e05c020f0fcb77a"},{"url":"https://git.kernel.org/stable/c/484069b5de9d223cc1c64c6f80389a99cfef51f1"},{"url":"https://git.kernel.org/stable/c/f707820c09239d6f67699d9b2ff57863cc7905b0"},{"url":"https://git.kernel.org/stable/c/c56c96303e9289cc34716b1179597b6f470833de"}],"title":"nfp: Fix memory leak in nfp_cpp_area_cache_add()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.775Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/3e93abcdcec0436fbf0b6a88ae806902426895a2","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/eb51f639ef3fd5498b7def290ed8681b6aadd9a7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/2e0e072e62fdaf7816220af08e05c020f0fcb77a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/484069b5de9d223cc1c64c6f80389a99cfef51f1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f707820c09239d6f67699d9b2ff57863cc7905b0","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c56c96303e9289cc34716b1179597b6f470833de","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47516","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:35:30.048758Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:32:51.440Z"}}]}}