[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-47254":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":44,"related":45,"reserved_at":9,"published_at":52,"modified_at":53,"state":54,"summary":55,"references_raw":64,"kevs":99,"epss":100,"epss_history":103,"metrics":370,"affected":376},"CVE-2021-47254","In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix use-after-free in gfs2_glock_shrink_scan\n\nThe GLF_LRU flag is checked under lru_lock in gfs2_glock_remove_from_lru() to\nremove the glock from the lru list in __gfs2_glock_put().\n\nOn the shrink scan path, the same flag is cleared under lru_lock but because\nof cond_resched_lock(&lru_lock) in gfs2_dispose_glock_lru(), progress on the\nput side can be made without deleting the glock from the lru list.\n\nKeep GLF_LRU across the race window opened by cond_resched_lock(&lru_lock) to\nensure correct behavior on both sides - clear GLF_LRU after list_del under\nlru_lock.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-416","Use After Free","The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","weakness","Stable","Variant","High",[],[],[],[],[24,26,28,30,32,34,36,38,40,42],{"_key":25},"SUSE-SU-2024:2185-1",{"_key":27},"SUSE-SU-2024:1979-1",{"_key":29},"SUSE-SU-2024:1983-1",{"_key":31},"SUSE-SU-2024:2010-1",{"_key":33},"SUSE-SU-2024:2183-1",{"_key":35},"SUSE-SU-2024:2184-1",{"_key":37},"USN-8143-1",{"_key":39},"USN-8143-2",{"_key":41},"DEBIAN-CVE-2021-47254",{"_key":43},"UBUNTU-CVE-2021-47254",[],[46,47,48,49,50,51],{"_key":25},{"_key":27},{"_key":29},{"_key":31},{"_key":33},{"_key":35},"2024-05-21T14:19:49.475Z","2026-05-23T15:19:36.037Z","Analyzed",{"cisa_kev":56,"cisa_ransomware":56,"cisa_vendor":9,"epss_severity":57,"epss_score":58,"severity":59,"severity_score":60,"severity_version":61,"severity_source":62,"severity_vector":63,"severity_status":54},false,"low",0.00015,"high",7.8,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",[65,71,75,79,83,87,91,95],{"url":66,"sources":67,"tags":69},"https://git.kernel.org/stable/c/38ce329534500bf4ae71f81df6a37a406cf187b4",[68,62],"cve.org",[70],"Patch",{"url":72,"sources":73,"tags":74},"https://git.kernel.org/stable/c/92869945cc5b78ee8a1ef90336fe070893e3458a",[68,62],[70],{"url":76,"sources":77,"tags":78},"https://git.kernel.org/stable/c/0364742decb0f02bc183404868b82896f7992595",[68,62],[70],{"url":80,"sources":81,"tags":82},"https://git.kernel.org/stable/c/094bf5670e762afa243d2c41a5c4ab71c7447bf4",[68,62],[70],{"url":84,"sources":85,"tags":86},"https://git.kernel.org/stable/c/86fd5b27db743a0ce0cc245e3a34813b2aa6ec1d",[68,62],[70],{"url":88,"sources":89,"tags":90},"https://git.kernel.org/stable/c/a61156314b66456ab6a291ed5deba1ebd002ab3c",[68,62],[70],{"url":92,"sources":93,"tags":94},"https://git.kernel.org/stable/c/e87ef30fe73e7e10d2c85bdcc778dcec24dca553",[68,62],[70],{"url":96,"sources":97,"tags":98},"https://git.kernel.org/stable/c/1ab19c5de4c537ec0d9b21020395a5b5a6c059b2",[68,62],[70],[],{"date":101,"score":58,"percentile":102},"2026-06-03",0.03446,[104,108,111,114,117,120,123,126,129,132,135,138,141,143,146,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,197,200,203,206,208,211,215,218,221,224,227,230,233,236,239,242,245,248,251,253,256,259,262,265,268,271,274,277,280,283,286,289,292,295,298,301,304,307,310,313,316,318,321,324,327,330,333,336,339,341,343,346,349,352,355,358,361,364,367],{"date":105,"score":106,"percentile":107},"2025-11-04",0.00017,0.02745,{"date":109,"score":106,"percentile":110},"2025-11-05",0.02772,{"date":112,"score":106,"percentile":113},"2025-11-06",0.028,{"date":115,"score":106,"percentile":116},"2025-11-07",0.0281,{"date":118,"score":106,"percentile":119},"2025-11-08",0.02819,{"date":121,"score":106,"percentile":122},"2025-11-09",0.02822,{"date":124,"score":106,"percentile":125},"2025-11-10",0.02801,{"date":127,"score":106,"percentile":128},"2025-11-11",0.02823,{"date":130,"score":106,"percentile":131},"2025-11-12",0.02838,{"date":133,"score":106,"percentile":134},"2025-11-13",0.02866,{"date":136,"score":106,"percentile":137},"2025-11-14",0.02887,{"date":139,"score":106,"percentile":140},"2025-11-15",0.02915,{"date":142,"score":106,"percentile":140},"2025-11-16",{"date":144,"score":106,"percentile":145},"2025-11-17",0.029,{"date":147,"score":148,"percentile":149},"2025-11-18",0.00072,0.18067,{"date":151,"score":148,"percentile":152},"2025-11-19",0.18084,{"date":154,"score":148,"percentile":155},"2025-11-20",0.18059,{"date":157,"score":106,"percentile":158},"2025-11-21",0.02984,{"date":160,"score":106,"percentile":161},"2025-11-22",0.02981,{"date":163,"score":106,"percentile":164},"2025-11-23",0.02976,{"date":166,"score":106,"percentile":167},"2025-11-24",0.02966,{"date":169,"score":106,"percentile":170},"2025-11-25",0.02946,{"date":172,"score":106,"percentile":173},"2025-11-26",0.02926,{"date":175,"score":106,"percentile":176},"2025-11-27",0.02924,{"date":178,"score":106,"percentile":179},"2025-11-28",0.02925,{"date":181,"score":106,"percentile":182},"2025-11-29",0.02977,{"date":184,"score":106,"percentile":185},"2025-11-30",0.02978,{"date":187,"score":106,"percentile":188},"2025-12-01",0.03052,{"date":190,"score":106,"percentile":191},"2025-12-02",0.03048,{"date":193,"score":106,"percentile":194},"2025-12-03",0.03051,{"date":196,"score":106,"percentile":182},"2025-12-04",{"date":198,"score":106,"percentile":199},"2025-12-05",0.02997,{"date":201,"score":106,"percentile":202},"2025-12-06",0.03016,{"date":204,"score":106,"percentile":205},"2025-12-07",0.03021,{"date":207,"score":106,"percentile":202},"2025-12-08",{"date":209,"score":106,"percentile":210},"2025-12-09",0.03035,{"date":212,"score":213,"percentile":214},"2025-12-10",0.00018,0.03843,{"date":216,"score":213,"percentile":217},"2025-12-11",0.03834,{"date":219,"score":213,"percentile":220},"2025-12-12",0.03852,{"date":222,"score":213,"percentile":223},"2025-12-13",0.03862,{"date":225,"score":213,"percentile":226},"2025-12-14",0.03857,{"date":228,"score":213,"percentile":229},"2025-12-15",0.03821,{"date":231,"score":213,"percentile":232},"2025-12-16",0.03837,{"date":234,"score":213,"percentile":235},"2025-12-17",0.03869,{"date":237,"score":213,"percentile":238},"2025-12-18",0.03888,{"date":240,"score":213,"percentile":241},"2025-12-19",0.03872,{"date":243,"score":213,"percentile":244},"2025-12-20",0.03877,{"date":246,"score":213,"percentile":247},"2025-12-21",0.03898,{"date":249,"score":213,"percentile":250},"2025-12-22",0.03867,{"date":252,"score":213,"percentile":244},"2025-12-23",{"date":254,"score":213,"percentile":255},"2025-12-24",0.03884,{"date":257,"score":213,"percentile":258},"2025-12-25",0.03914,{"date":260,"score":213,"percentile":261},"2025-12-26",0.03908,{"date":263,"score":213,"percentile":264},"2025-12-27",0.03925,{"date":266,"score":213,"percentile":267},"2025-12-28",0.0391,{"date":269,"score":213,"percentile":270},"2025-12-29",0.03901,{"date":272,"score":213,"percentile":273},"2025-12-30",0.03858,{"date":275,"score":213,"percentile":276},"2025-12-31",0.03865,{"date":278,"score":213,"percentile":279},"2026-01-01",0.03953,{"date":281,"score":213,"percentile":282},"2026-01-02",0.03948,{"date":284,"score":213,"percentile":285},"2026-01-03",0.03936,{"date":287,"score":213,"percentile":288},"2026-01-04",0.03822,{"date":290,"score":213,"percentile":291},"2026-01-05",0.03791,{"date":293,"score":213,"percentile":294},"2026-01-06",0.03783,{"date":296,"score":213,"percentile":297},"2026-01-07",0.03808,{"date":299,"score":213,"percentile":300},"2026-01-08",0.03833,{"date":302,"score":213,"percentile":303},"2026-01-09",0.03849,{"date":305,"score":213,"percentile":306},"2026-01-10",0.03856,{"date":308,"score":213,"percentile":309},"2026-01-11",0.03832,{"date":311,"score":213,"percentile":312},"2026-01-12",0.03842,{"date":314,"score":213,"percentile":315},"2026-01-13",0.03836,{"date":317,"score":213,"percentile":220},"2026-01-14",{"date":319,"score":213,"percentile":320},"2026-01-15",0.03777,{"date":322,"score":213,"percentile":323},"2026-01-16",0.03751,{"date":325,"score":213,"percentile":326},"2026-01-17",0.03754,{"date":328,"score":213,"percentile":329},"2026-01-18",0.03729,{"date":331,"score":213,"percentile":332},"2026-01-19",0.03706,{"date":334,"score":213,"percentile":335},"2026-01-20",0.03684,{"date":337,"score":213,"percentile":338},"2026-01-21",0.03679,{"date":340,"score":213,"percentile":335},"2026-01-22",{"date":342,"score":213,"percentile":329},"2026-01-23",{"date":344,"score":213,"percentile":345},"2026-01-24",0.03759,{"date":347,"score":213,"percentile":348},"2026-01-25",0.03739,{"date":350,"score":213,"percentile":351},"2026-01-26",0.03721,{"date":353,"score":213,"percentile":354},"2026-01-27",0.0371,{"date":356,"score":213,"percentile":357},"2026-01-28",0.03697,{"date":359,"score":213,"percentile":360},"2026-01-29",0.03717,{"date":362,"score":213,"percentile":363},"2026-01-30",0.03718,{"date":365,"score":213,"percentile":366},"2026-01-31",0.03694,{"date":368,"score":213,"percentile":369},"2026-02-01",0.0379,[371],{"source":62,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":372,"cvss_v4_0":9},{"baseScore":60,"baseSeverity":373,"vectorString":63,"impactScore":374,"exploitabilityScore":375},"HIGH",9.8,4.6,[377,443],{"ecosystem":9,"name":378,"vendor":379,"product":379,"cpe_part":380,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":381},"Linux","linux","a",[382,389,393,397,401,405,408,411,414,416,418,422,426,430,434,438,442],{"version":383,"is_range":384,"range_type":68,"version_start":385,"version_start_type":386,"version_end":387,"version_end_type":388,"fixed_in":9},">= 6948c6bc17d666663a84c124b3176039e64a58f4, \u003C 38ce329534500bf4ae71f81df6a37a406cf187b4",true,"6948c6bc17d666663a84c124b3176039e64a58f4","including","38ce329534500bf4ae71f81df6a37a406cf187b4","excluding",{"version":390,"is_range":384,"range_type":68,"version_start":391,"version_start_type":386,"version_end":392,"version_end_type":388,"fixed_in":9},">= b568ed385a18c0ddbe41862b69088b636550a04f, \u003C 92869945cc5b78ee8a1ef90336fe070893e3458a","b568ed385a18c0ddbe41862b69088b636550a04f","92869945cc5b78ee8a1ef90336fe070893e3458a",{"version":394,"is_range":384,"range_type":68,"version_start":395,"version_start_type":386,"version_end":396,"version_end_type":388,"fixed_in":9},">= 762bb3528249604bc680a9df635e8995740176de, \u003C 0364742decb0f02bc183404868b82896f7992595","762bb3528249604bc680a9df635e8995740176de","0364742decb0f02bc183404868b82896f7992595",{"version":398,"is_range":384,"range_type":68,"version_start":399,"version_start_type":386,"version_end":400,"version_end_type":388,"fixed_in":9},">= bac8520892812dada1ac93f27d96317470d24b1f, \u003C 094bf5670e762afa243d2c41a5c4ab71c7447bf4","bac8520892812dada1ac93f27d96317470d24b1f","094bf5670e762afa243d2c41a5c4ab71c7447bf4",{"version":402,"is_range":384,"range_type":68,"version_start":403,"version_start_type":386,"version_end":404,"version_end_type":388,"fixed_in":9},">= 7881ef3f33bb80f459ea6020d1e021fc524a6348, \u003C 86fd5b27db743a0ce0cc245e3a34813b2aa6ec1d","7881ef3f33bb80f459ea6020d1e021fc524a6348","86fd5b27db743a0ce0cc245e3a34813b2aa6ec1d",{"version":406,"is_range":384,"range_type":68,"version_start":403,"version_start_type":386,"version_end":407,"version_end_type":388,"fixed_in":9},">= 7881ef3f33bb80f459ea6020d1e021fc524a6348, \u003C a61156314b66456ab6a291ed5deba1ebd002ab3c","a61156314b66456ab6a291ed5deba1ebd002ab3c",{"version":409,"is_range":384,"range_type":68,"version_start":403,"version_start_type":386,"version_end":410,"version_end_type":388,"fixed_in":9},">= 7881ef3f33bb80f459ea6020d1e021fc524a6348, \u003C e87ef30fe73e7e10d2c85bdcc778dcec24dca553","e87ef30fe73e7e10d2c85bdcc778dcec24dca553",{"version":412,"is_range":384,"range_type":68,"version_start":403,"version_start_type":386,"version_end":413,"version_end_type":388,"fixed_in":9},">= 7881ef3f33bb80f459ea6020d1e021fc524a6348, \u003C 1ab19c5de4c537ec0d9b21020395a5b5a6c059b2","1ab19c5de4c537ec0d9b21020395a5b5a6c059b2",{"version":415,"is_range":56,"range_type":68,"version_start":415,"version_start_type":386,"version_end":415,"version_end_type":386,"fixed_in":9},"1e7a416fb765c9072479dc424780c0937ba99270",{"version":417,"is_range":56,"range_type":68,"version_start":417,"version_start_type":386,"version_end":417,"version_end_type":386,"fixed_in":9},"dcbdbe13796ffa561510d2686a6318564e728bbd",{"version":419,"is_range":384,"range_type":68,"version_start":420,"version_start_type":386,"version_end":421,"version_end_type":388,"fixed_in":9},">= 4.4.181, \u003C 4.4.274","4.4.181","4.4.274",{"version":423,"is_range":384,"range_type":68,"version_start":424,"version_start_type":386,"version_end":425,"version_end_type":388,"fixed_in":9},">= 4.9.180, \u003C 4.9.274","4.9.180","4.9.274",{"version":427,"is_range":384,"range_type":68,"version_start":428,"version_start_type":386,"version_end":429,"version_end_type":388,"fixed_in":9},">= 4.14.123, \u003C 4.14.238","4.14.123","4.14.238",{"version":431,"is_range":384,"range_type":68,"version_start":432,"version_start_type":386,"version_end":433,"version_end_type":388,"fixed_in":9},">= 4.19.47, \u003C 4.19.196","4.19.47","4.19.196",{"version":435,"is_range":384,"range_type":68,"version_start":436,"version_start_type":386,"version_end":437,"version_end_type":388,"fixed_in":9},">= 5.0.20, \u003C 5.1","5.0.20","5.1",{"version":439,"is_range":384,"range_type":68,"version_start":440,"version_start_type":386,"version_end":441,"version_end_type":388,"fixed_in":9},">= 5.1.6, \u003C 5.2","5.1.6","5.2",{"version":441,"is_range":56,"range_type":68,"version_start":441,"version_start_type":386,"version_end":441,"version_end_type":386,"fixed_in":9},{"ecosystem":9,"name":444,"vendor":379,"product":445,"cpe_part":446,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":447},"linux kernel","linux_kernel","o",[448,451,453,455,457,459,462,466,470,472,474,476],{"version":449,"is_range":384,"range_type":450,"version_start":420,"version_start_type":386,"version_end":421,"version_end_type":388,"fixed_in":9},"gte4.4.181_lt4.4.274","cpe",{"version":452,"is_range":384,"range_type":450,"version_start":424,"version_start_type":386,"version_end":425,"version_end_type":388,"fixed_in":9},"gte4.9.180_lt4.9.274",{"version":454,"is_range":384,"range_type":450,"version_start":428,"version_start_type":386,"version_end":429,"version_end_type":388,"fixed_in":9},"gte4.14.123_lt4.14.238",{"version":456,"is_range":384,"range_type":450,"version_start":432,"version_start_type":386,"version_end":433,"version_end_type":388,"fixed_in":9},"gte4.19.47_lt4.19.196",{"version":458,"is_range":384,"range_type":450,"version_start":436,"version_start_type":386,"version_end":437,"version_end_type":388,"fixed_in":9},"gte5.0.20_lt5.1",{"version":460,"is_range":384,"range_type":450,"version_start":440,"version_start_type":386,"version_end":461,"version_end_type":388,"fixed_in":9},"gte5.1.6_lt5.4.127","5.4.127",{"version":463,"is_range":384,"range_type":450,"version_start":464,"version_start_type":386,"version_end":465,"version_end_type":388,"fixed_in":9},"gte5.5_lt5.10.45","5.5","5.10.45",{"version":467,"is_range":384,"range_type":450,"version_start":468,"version_start_type":386,"version_end":469,"version_end_type":388,"fixed_in":9},"gte5.11_lt5.12.12","5.11","5.12.12",{"version":471,"is_range":56,"range_type":450,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.13:rc1",{"version":473,"is_range":56,"range_type":450,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.13:rc2",{"version":475,"is_range":56,"range_type":450,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.13:rc3",{"version":477,"is_range":56,"range_type":450,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.13:rc4"]