[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-47461":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T02:53:27.892Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":28,"aliases":29,"duplicate_of":9,"upstream":30,"downstream":31,"duplicates":54,"related":55,"reserved_at":9,"published_at":61,"modified_at":62,"state":63,"summary":64,"references_raw":73,"kevs":88,"epss":89,"epss_history":92,"metrics":344,"affected":350},"CVE-2021-47461","In the Linux kernel, the following vulnerability has been resolved:\n\nuserfaultfd: fix a race between writeprotect and exit_mmap()\n\nA race is possible when a process exits, its VMAs are removed by\nexit_mmap() and at the same time userfaultfd_writeprotect() is called.\n\nThe race was detected by KASAN on a development kernel, but it appears\nto be possible on vanilla kernels as well.\n\nUse mmget_not_zero() to prevent the race as done in other userfaultfd\noperations.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-362","Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.","weakness","Draft","Class","Medium",[20,24],{"id":21,"name":22,"techniques":23},"CAPEC-26","Leveraging Race Conditions",[],{"id":25,"name":26,"techniques":27},"CAPEC-29","Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions",[],[],[],[],[32,34,36,38,40,42,44,46,48,50,52],{"_key":33},"UBUNTU-CVE-2021-47461",{"_key":35},"SUSE-SU-2024:2008-1",{"_key":37},"SUSE-SU-2024:2011-1",{"_key":39},"SUSE-SU-2024:2019-1",{"_key":41},"SUSE-SU-2024:2189-1",{"_key":43},"SUSE-SU-2024:2190-1",{"_key":45},"DEBIAN-CVE-2021-47461",{"_key":47},"RHSA-2024:10262",{"_key":49},"RHSA-2024:5101",{"_key":51},"RHSA-2024:5102",{"_key":53},"RHSA-2024:6297",[],[56,57,58,59,60],{"_key":35},{"_key":37},{"_key":39},{"_key":41},{"_key":43},"2024-05-22T06:23:22.373Z","2026-05-11T13:55:10.310Z","Analyzed",{"cisa_kev":65,"cisa_ransomware":65,"cisa_vendor":9,"epss_severity":66,"epss_score":67,"severity":68,"severity_score":69,"severity_version":70,"severity_source":71,"severity_vector":72,"severity_status":63},false,"low",0.00022,"medium",4.7,"v3.1","nvd","CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",[74,80,84],{"url":75,"sources":76,"tags":78},"https://git.kernel.org/stable/c/3cda4bfffd4f755645577aaa9e96a606657b4525",[77,71],"cve.org",[79],"Patch",{"url":81,"sources":82,"tags":83},"https://git.kernel.org/stable/c/149958ecd0627a9f1e9c678c25c665400054cd6a",[77,71],[79],{"url":85,"sources":86,"tags":87},"https://git.kernel.org/stable/c/cb185d5f1ebf900f4ae3bf84cee212e6dd035aca",[77,71],[79],[],{"date":90,"score":67,"percentile":91},"2026-06-03",0.06303,[93,97,100,103,106,109,112,115,118,120,123,126,129,132,135,139,142,145,148,150,153,156,159,162,164,167,170,173,175,178,180,183,186,189,191,193,196,199,202,205,208,211,214,217,219,222,225,227,230,233,235,238,240,243,245,247,249,251,253,255,258,261,264,266,268,270,273,276,279,282,285,288,291,294,297,300,303,306,309,312,315,318,321,324,327,330,333,335,338,341],{"date":94,"score":95,"percentile":96},"2025-11-04",0.00013,0.01351,{"date":98,"score":95,"percentile":99},"2025-11-05",0.01374,{"date":101,"score":95,"percentile":102},"2025-11-06",0.01389,{"date":104,"score":95,"percentile":105},"2025-11-07",0.01394,{"date":107,"score":95,"percentile":108},"2025-11-08",0.01399,{"date":110,"score":95,"percentile":111},"2025-11-09",0.01397,{"date":113,"score":95,"percentile":114},"2025-11-10",0.01381,{"date":116,"score":95,"percentile":117},"2025-11-11",0.01392,{"date":119,"score":95,"percentile":111},"2025-11-12",{"date":121,"score":95,"percentile":122},"2025-11-13",0.0141,{"date":124,"score":95,"percentile":125},"2025-11-14",0.01417,{"date":127,"score":95,"percentile":128},"2025-11-15",0.01438,{"date":130,"score":95,"percentile":131},"2025-11-16",0.01437,{"date":133,"score":95,"percentile":134},"2025-11-17",0.01428,{"date":136,"score":137,"percentile":138},"2025-11-18",0.00057,0.13285,{"date":140,"score":137,"percentile":141},"2025-11-19",0.13303,{"date":143,"score":137,"percentile":144},"2025-11-20",0.13318,{"date":146,"score":95,"percentile":147},"2025-11-21",0.0149,{"date":149,"score":95,"percentile":147},"2025-11-22",{"date":151,"score":95,"percentile":152},"2025-11-23",0.01476,{"date":154,"score":95,"percentile":155},"2025-11-24",0.01472,{"date":157,"score":95,"percentile":158},"2025-11-25",0.01458,{"date":160,"score":95,"percentile":161},"2025-11-26",0.014,{"date":163,"score":95,"percentile":108},"2025-11-27",{"date":165,"score":95,"percentile":166},"2025-11-28",0.01398,{"date":168,"score":95,"percentile":169},"2025-11-29",0.01436,{"date":171,"score":95,"percentile":172},"2025-11-30",0.01447,{"date":174,"score":95,"percentile":152},"2025-12-01",{"date":176,"score":95,"percentile":177},"2025-12-02",0.0147,{"date":179,"score":95,"percentile":177},"2025-12-03",{"date":181,"score":95,"percentile":182},"2025-12-04",0.01445,{"date":184,"score":95,"percentile":185},"2025-12-05",0.01456,{"date":187,"score":95,"percentile":188},"2025-12-06",0.01462,{"date":190,"score":95,"percentile":185},"2025-12-07",{"date":192,"score":95,"percentile":185},"2025-12-08",{"date":194,"score":95,"percentile":195},"2025-12-09",0.01471,{"date":197,"score":95,"percentile":198},"2025-12-10",0.01483,{"date":200,"score":95,"percentile":201},"2025-12-11",0.01479,{"date":203,"score":95,"percentile":204},"2025-12-12",0.01481,{"date":206,"score":95,"percentile":207},"2025-12-13",0.01467,{"date":209,"score":95,"percentile":210},"2025-12-14",0.01459,{"date":212,"score":95,"percentile":213},"2025-12-15",0.01454,{"date":215,"score":95,"percentile":216},"2025-12-16",0.01463,{"date":218,"score":95,"percentile":177},"2025-12-17",{"date":220,"score":95,"percentile":221},"2025-12-18",0.01468,{"date":223,"score":95,"percentile":224},"2025-12-19",0.01474,{"date":226,"score":95,"percentile":224},"2025-12-20",{"date":228,"score":95,"percentile":229},"2025-12-21",0.01484,{"date":231,"score":95,"percentile":232},"2025-12-22",0.01487,{"date":234,"score":95,"percentile":229},"2025-12-23",{"date":236,"score":95,"percentile":237},"2025-12-24",0.01485,{"date":239,"score":95,"percentile":147},"2025-12-25",{"date":241,"score":95,"percentile":242},"2025-12-26",0.01494,{"date":244,"score":95,"percentile":237},"2025-12-27",{"date":246,"score":95,"percentile":237},"2025-12-28",{"date":248,"score":95,"percentile":152},"2025-12-29",{"date":250,"score":95,"percentile":195},"2025-12-30",{"date":252,"score":95,"percentile":221},"2025-12-31",{"date":254,"score":95,"percentile":147},"2026-01-01",{"date":256,"score":95,"percentile":257},"2026-01-02",0.01492,{"date":259,"score":95,"percentile":260},"2026-01-03",0.01495,{"date":262,"score":95,"percentile":263},"2026-01-04",0.01465,{"date":265,"score":95,"percentile":155},"2026-01-05",{"date":267,"score":95,"percentile":263},"2026-01-06",{"date":269,"score":95,"percentile":224},"2026-01-07",{"date":271,"score":95,"percentile":272},"2026-01-08",0.01488,{"date":274,"score":95,"percentile":275},"2026-01-09",0.01501,{"date":277,"score":95,"percentile":278},"2026-01-10",0.01512,{"date":280,"score":67,"percentile":281},"2026-01-11",0.05014,{"date":283,"score":67,"percentile":284},"2026-01-12",0.05017,{"date":286,"score":67,"percentile":287},"2026-01-13",0.05003,{"date":289,"score":67,"percentile":290},"2026-01-14",0.05053,{"date":292,"score":67,"percentile":293},"2026-01-15",0.04995,{"date":295,"score":67,"percentile":296},"2026-01-16",0.0498,{"date":298,"score":67,"percentile":299},"2026-01-17",0.04985,{"date":301,"score":67,"percentile":302},"2026-01-18",0.04967,{"date":304,"score":67,"percentile":305},"2026-01-19",0.04915,{"date":307,"score":67,"percentile":308},"2026-01-20",0.0488,{"date":310,"score":67,"percentile":311},"2026-01-21",0.04871,{"date":313,"score":67,"percentile":314},"2026-01-22",0.04854,{"date":316,"score":67,"percentile":317},"2026-01-23",0.04908,{"date":319,"score":67,"percentile":320},"2026-01-24",0.04952,{"date":322,"score":67,"percentile":323},"2026-01-25",0.04934,{"date":325,"score":67,"percentile":326},"2026-01-26",0.04913,{"date":328,"score":67,"percentile":329},"2026-01-27",0.04893,{"date":331,"score":67,"percentile":332},"2026-01-28",0.04876,{"date":334,"score":67,"percentile":329},"2026-01-29",{"date":336,"score":67,"percentile":337},"2026-01-30",0.04898,{"date":339,"score":67,"percentile":340},"2026-01-31",0.04877,{"date":342,"score":67,"percentile":343},"2026-02-01",0.04976,[345],{"source":71,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":346,"cvss_v4_0":9},{"baseScore":69,"baseSeverity":347,"vectorString":72,"impactScore":348,"exploitabilityScore":349},"MEDIUM",6,2.6,[351,371],{"ecosystem":9,"name":352,"vendor":353,"product":353,"cpe_part":354,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":355},"Linux","linux","a",[356,363,366,369],{"version":357,"is_range":358,"range_type":77,"version_start":359,"version_start_type":360,"version_end":361,"version_end_type":362,"fixed_in":9},">= 63b2d4174c4ad1f40b48d7138e71bcb564c1fe03, \u003C 3cda4bfffd4f755645577aaa9e96a606657b4525",true,"63b2d4174c4ad1f40b48d7138e71bcb564c1fe03","including","3cda4bfffd4f755645577aaa9e96a606657b4525","excluding",{"version":364,"is_range":358,"range_type":77,"version_start":359,"version_start_type":360,"version_end":365,"version_end_type":362,"fixed_in":9},">= 63b2d4174c4ad1f40b48d7138e71bcb564c1fe03, \u003C 149958ecd0627a9f1e9c678c25c665400054cd6a","149958ecd0627a9f1e9c678c25c665400054cd6a",{"version":367,"is_range":358,"range_type":77,"version_start":359,"version_start_type":360,"version_end":368,"version_end_type":362,"fixed_in":9},">= 63b2d4174c4ad1f40b48d7138e71bcb564c1fe03, \u003C cb185d5f1ebf900f4ae3bf84cee212e6dd035aca","cb185d5f1ebf900f4ae3bf84cee212e6dd035aca",{"version":370,"is_range":65,"range_type":77,"version_start":370,"version_start_type":360,"version_end":370,"version_end_type":360,"fixed_in":9},"5.7",{"ecosystem":9,"name":372,"vendor":353,"product":373,"cpe_part":374,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":375},"linux kernel","linux_kernel","o",[376,380,384,386,388,390,392,394],{"version":377,"is_range":358,"range_type":378,"version_start":370,"version_start_type":360,"version_end":379,"version_end_type":362,"fixed_in":9},"gte5.7_lt5.10.76","cpe","5.10.76",{"version":381,"is_range":358,"range_type":378,"version_start":382,"version_start_type":360,"version_end":383,"version_end_type":362,"fixed_in":9},"gte5.11_lt5.14.15","5.11","5.14.15",{"version":385,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc1",{"version":387,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc2",{"version":389,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc3",{"version":391,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc4",{"version":393,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc5",{"version":395,"is_range":65,"range_type":378,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.15:rc6"]