{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2021-47511", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: oss: Fix negative period/buffer sizes\n\nThe period size calculation in OSS layer may receive a negative value\nas an error, but the code there assumes only the positive values and\nhandle them with size_t. Due to that, a too big value may be passed\nto the lower layers.\n\nThis patch changes the code to handle with ssize_t and adds the proper\nerror checks appropriately." } ] }, "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": "1da177e4c3f4", "version_value": "be8869d38859" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.4.295", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.293", "lessThanOrEqual": "4.9.*", "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" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/be8869d388593e57223ad39297c8e54be632f2f2", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/be8869d388593e57223ad39297c8e54be632f2f2" }, { "url": "https://git.kernel.org/stable/c/502e1146873d870f87da3b8f93d6bf2de5f38d0c", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/502e1146873d870f87da3b8f93d6bf2de5f38d0c" }, { "url": "https://git.kernel.org/stable/c/8af815ab052eaf74addbbfb556d63ce2137c0e1b", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8af815ab052eaf74addbbfb556d63ce2137c0e1b" }, { "url": "https://git.kernel.org/stable/c/f96c0959c1ee92adc911c10d6ec209af50105049", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f96c0959c1ee92adc911c10d6ec209af50105049" }, { "url": "https://git.kernel.org/stable/c/f12c8a7515f641885677960af450082569a87243", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f12c8a7515f641885677960af450082569a87243" }, { "url": "https://git.kernel.org/stable/c/02b2b691b77cd7b951fa7b6c9d44d4e472cdc823", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/02b2b691b77cd7b951fa7b6c9d44d4e472cdc823" }, { "url": "https://git.kernel.org/stable/c/00a860678098fcd9fa8db2b5fb9d2ddf4776d4cc", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/00a860678098fcd9fa8db2b5fb9d2ddf4776d4cc" }, { "url": "https://git.kernel.org/stable/c/9d2479c960875ca1239bcb899f386970c13d9cfe", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/9d2479c960875ca1239bcb899f386970c13d9cfe" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }