[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-47623":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":18,"aliases":19,"duplicate_of":9,"upstream":20,"downstream":21,"duplicates":34,"related":35,"reserved_at":9,"published_at":39,"modified_at":40,"state":41,"summary":42,"references_raw":51,"kevs":70,"epss":71,"epss_history":74,"metrics":328,"affected":334},"CVE-2021-47623","In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/fixmap: Fix VM debug warning on unmap\n\nUnmapping a fixmap entry is done by calling __set_fixmap()\nwith FIXMAP_PAGE_CLEAR as flags.\n\nToday, powerpc __set_fixmap() calls map_kernel_page().\n\nmap_kernel_page() is not happy when called a second time\nfor the same page.\n\n\tWARNING: CPU: 0 PID: 1 at arch/powerpc/mm/pgtable.c:194 set_pte_at+0xc/0x1e8\n\tCPU: 0 PID: 1 Comm: swapper Not tainted 5.16.0-rc3-s3k-dev-01993-g350ff07feb7d-dirty #682\n\tNIP:  c0017cd4 LR: c00187f0 CTR: 00000010\n\tREGS: e1011d50 TRAP: 0700   Not tainted  (5.16.0-rc3-s3k-dev-01993-g350ff07feb7d-dirty)\n\tMSR:  00029032 \u003CEE,ME,IR,DR,RI>  CR: 42000208  XER: 00000000\n\n\tGPR00: c0165fec e1011e10 c14c0000 c0ee2550 ff800000 c0f3d000 00000000 c001686c\n\tGPR08: 00001000 b00045a9 00000001 c0f58460 c0f50000 00000000 c0007e10 00000000\n\tGPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000\n\tGPR24: 00000000 00000000 c0ee2550 00000000 c0f57000 00000ff8 00000000 ff800000\n\tNIP [c0017cd4] set_pte_at+0xc/0x1e8\n\tLR [c00187f0] map_kernel_page+0x9c/0x100\n\tCall Trace:\n\t[e1011e10] [c0736c68] vsnprintf+0x358/0x6c8 (unreliable)\n\t[e1011e30] [c0165fec] __set_fixmap+0x30/0x44\n\t[e1011e40] [c0c13bdc] early_iounmap+0x11c/0x170\n\t[e1011e70] [c0c06cb0] ioremap_legacy_serial_console+0x88/0xc0\n\t[e1011e90] [c0c03634] do_one_initcall+0x80/0x178\n\t[e1011ef0] [c0c0385c] kernel_init_freeable+0xb4/0x250\n\t[e1011f20] [c0007e34] kernel_init+0x24/0x140\n\t[e1011f30] [c0016268] ret_from_kernel_thread+0x5c/0x64\n\tInstruction dump:\n\t7fe3fb78 48019689 80010014 7c630034 83e1000c 5463d97e 7c0803a6 38210010\n\t4e800020 81250000 712a0001 41820008 \u003C0fe00000> 9421ffe0 93e1001c 48000030\n\nImplement unmap_kernel_page() which clears an existing pte.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":9,"likelihood_of_exploit":9,"capec":17},"NVD-CWE-NOINFO","Insufficient Information","NVD uses this CWE ID when there is insufficient information to assign a specific CWE.","placeholder","NVD-Reserved",[],[],[],[],[22,24,26,28,30,32],{"_key":23},"SUSE-SU-2024:2894-1",{"_key":25},"SUSE-SU-2024:2939-1",{"_key":27},"SUSE-SU-2024:2947-1",{"_key":29},"DEBIAN-CVE-2021-47623",{"_key":31},"RHSA-2024:6991",{"_key":33},"UBUNTU-CVE-2021-47623",[],[36,37,38],{"_key":23},{"_key":25},{"_key":27},"2024-07-16T11:29:39.071Z","2026-05-11T13:58:05.571Z","Analyzed",{"cisa_kev":43,"cisa_ransomware":43,"cisa_vendor":9,"epss_severity":44,"epss_score":45,"severity":46,"severity_score":47,"severity_version":48,"severity_source":49,"severity_vector":50,"severity_status":41},false,"low",0.00018,"medium",5.5,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",[52,58,62,66],{"url":53,"sources":54,"tags":56},"https://git.kernel.org/stable/c/67baac10dd5ad1e9f50e8f2659984b3b0728d54e",[55,49],"cve.org",[57],"Patch",{"url":59,"sources":60,"tags":61},"https://git.kernel.org/stable/c/43ae0ccc4d2722b833fb59b905af129428e06d03",[55,49],[57],{"url":63,"sources":64,"tags":65},"https://git.kernel.org/stable/c/033fd42c18d9b2121595b6f1e8419a115f9ac5b7",[55,49],[57],{"url":67,"sources":68,"tags":69},"https://git.kernel.org/stable/c/aec982603aa8cc0a21143681feb5f60ecc69d718",[55,49],[57],[],{"date":72,"score":45,"percentile":73},"2026-06-03",0.05024,[75,79,82,85,88,91,94,97,100,103,106,109,112,114,117,121,124,127,130,133,136,139,142,145,148,150,152,155,158,161,164,167,170,173,176,178,181,184,187,190,193,196,199,202,205,208,210,212,215,218,221,224,227,230,233,236,238,241,244,247,250,253,255,257,259,262,265,268,271,274,277,280,282,285,287,289,292,295,298,301,304,307,309,312,314,316,319,321,323,325],{"date":76,"score":77,"percentile":78},"2025-11-04",0.00017,0.02783,{"date":80,"score":77,"percentile":81},"2025-11-05",0.0281,{"date":83,"score":77,"percentile":84},"2025-11-06",0.02837,{"date":86,"score":77,"percentile":87},"2025-11-07",0.02847,{"date":89,"score":77,"percentile":90},"2025-11-08",0.02856,{"date":92,"score":77,"percentile":93},"2025-11-09",0.02859,{"date":95,"score":77,"percentile":96},"2025-11-10",0.02838,{"date":98,"score":77,"percentile":99},"2025-11-11",0.0286,{"date":101,"score":77,"percentile":102},"2025-11-12",0.02874,{"date":104,"score":77,"percentile":105},"2025-11-13",0.02902,{"date":107,"score":77,"percentile":108},"2025-11-14",0.02923,{"date":110,"score":77,"percentile":111},"2025-11-15",0.02952,{"date":113,"score":77,"percentile":111},"2025-11-16",{"date":115,"score":77,"percentile":116},"2025-11-17",0.02938,{"date":118,"score":119,"percentile":120},"2025-11-18",0.00055,0.12646,{"date":122,"score":119,"percentile":123},"2025-11-19",0.12667,{"date":125,"score":119,"percentile":126},"2025-11-20",0.12681,{"date":128,"score":77,"percentile":129},"2025-11-21",0.03025,{"date":131,"score":77,"percentile":132},"2025-11-22",0.03023,{"date":134,"score":77,"percentile":135},"2025-11-23",0.03016,{"date":137,"score":77,"percentile":138},"2025-11-24",0.03006,{"date":140,"score":77,"percentile":141},"2025-11-25",0.02987,{"date":143,"score":77,"percentile":144},"2025-11-26",0.02966,{"date":146,"score":77,"percentile":147},"2025-11-27",0.02964,{"date":149,"score":77,"percentile":147},"2025-11-28",{"date":151,"score":77,"percentile":135},"2025-11-29",{"date":153,"score":77,"percentile":154},"2025-11-30",0.03017,{"date":156,"score":77,"percentile":157},"2025-12-01",0.03094,{"date":159,"score":77,"percentile":160},"2025-12-02",0.03089,{"date":162,"score":77,"percentile":163},"2025-12-03",0.03092,{"date":165,"score":77,"percentile":166},"2025-12-04",0.03018,{"date":168,"score":77,"percentile":169},"2025-12-05",0.03038,{"date":171,"score":77,"percentile":172},"2025-12-06",0.03057,{"date":174,"score":77,"percentile":175},"2025-12-07",0.03061,{"date":177,"score":77,"percentile":172},"2025-12-08",{"date":179,"score":77,"percentile":180},"2025-12-09",0.03075,{"date":182,"score":77,"percentile":183},"2025-12-10",0.03113,{"date":185,"score":77,"percentile":186},"2025-12-11",0.03115,{"date":188,"score":77,"percentile":189},"2025-12-12",0.03126,{"date":191,"score":77,"percentile":192},"2025-12-13",0.03097,{"date":194,"score":77,"percentile":195},"2025-12-14",0.03101,{"date":197,"score":77,"percentile":198},"2025-12-15",0.03093,{"date":200,"score":77,"percentile":201},"2025-12-16",0.03091,{"date":203,"score":77,"percentile":204},"2025-12-17",0.03108,{"date":206,"score":77,"percentile":207},"2025-12-18",0.03117,{"date":209,"score":77,"percentile":207},"2025-12-19",{"date":211,"score":77,"percentile":183},"2025-12-20",{"date":213,"score":77,"percentile":214},"2025-12-21",0.03124,{"date":216,"score":77,"percentile":217},"2025-12-22",0.0312,{"date":219,"score":77,"percentile":220},"2025-12-23",0.03129,{"date":222,"score":77,"percentile":223},"2025-12-24",0.03131,{"date":225,"score":77,"percentile":226},"2025-12-25",0.03136,{"date":228,"score":77,"percentile":229},"2025-12-26",0.03134,{"date":231,"score":45,"percentile":232},"2025-12-27",0.03981,{"date":234,"score":77,"percentile":235},"2025-12-28",0.03125,{"date":237,"score":77,"percentile":207},"2025-12-29",{"date":239,"score":77,"percentile":240},"2025-12-30",0.03114,{"date":242,"score":77,"percentile":243},"2025-12-31",0.03107,{"date":245,"score":77,"percentile":246},"2026-01-01",0.03188,{"date":248,"score":77,"percentile":249},"2026-01-02",0.03182,{"date":251,"score":77,"percentile":252},"2026-01-03",0.0318,{"date":254,"score":77,"percentile":198},"2026-01-04",{"date":256,"score":77,"percentile":157},"2026-01-05",{"date":258,"score":77,"percentile":163},"2026-01-06",{"date":260,"score":77,"percentile":261},"2026-01-07",0.03116,{"date":263,"score":77,"percentile":264},"2026-01-08",0.03144,{"date":266,"score":77,"percentile":267},"2026-01-09",0.03157,{"date":269,"score":77,"percentile":270},"2026-01-10",0.03161,{"date":272,"score":77,"percentile":273},"2026-01-11",0.03147,{"date":275,"score":77,"percentile":276},"2026-01-12",0.03111,{"date":278,"score":77,"percentile":279},"2026-01-13",0.03105,{"date":281,"score":77,"percentile":240},"2026-01-14",{"date":283,"score":77,"percentile":284},"2026-01-15",0.03104,{"date":286,"score":77,"percentile":284},"2026-01-16",{"date":288,"score":77,"percentile":284},"2026-01-17",{"date":290,"score":77,"percentile":291},"2026-01-18",0.03095,{"date":293,"score":77,"percentile":294},"2026-01-19",0.03085,{"date":296,"score":77,"percentile":297},"2026-01-20",0.03078,{"date":299,"score":77,"percentile":300},"2026-01-21",0.03068,{"date":302,"score":77,"percentile":303},"2026-01-22",0.03069,{"date":305,"score":77,"percentile":306},"2026-01-23",0.03081,{"date":308,"score":77,"percentile":157},"2026-01-24",{"date":310,"score":77,"percentile":311},"2026-01-25",0.03082,{"date":313,"score":77,"percentile":300},"2026-01-26",{"date":315,"score":77,"percentile":300},"2026-01-27",{"date":317,"score":77,"percentile":318},"2026-01-28",0.03071,{"date":320,"score":77,"percentile":157},"2026-01-29",{"date":322,"score":77,"percentile":291},"2026-01-30",{"date":324,"score":77,"percentile":261},"2026-01-31",{"date":326,"score":77,"percentile":327},"2026-02-01",0.0319,[329],{"source":49,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":330,"cvss_v4_0":9},{"baseScore":47,"baseSeverity":331,"vectorString":50,"impactScore":332,"exploitabilityScore":333},"MEDIUM",6,4.6,[335,358],{"ecosystem":9,"name":336,"vendor":337,"product":337,"cpe_part":338,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":339},"Linux","linux","a",[340,347,350,353,356],{"version":341,"is_range":342,"range_type":55,"version_start":343,"version_start_type":344,"version_end":345,"version_end_type":346,"fixed_in":9},">= 265c3491c4bc8d40587996d6ee2f447a7ccfb4f3, \u003C 67baac10dd5ad1e9f50e8f2659984b3b0728d54e",true,"265c3491c4bc8d40587996d6ee2f447a7ccfb4f3","including","67baac10dd5ad1e9f50e8f2659984b3b0728d54e","excluding",{"version":348,"is_range":342,"range_type":55,"version_start":343,"version_start_type":344,"version_end":349,"version_end_type":346,"fixed_in":9},">= 265c3491c4bc8d40587996d6ee2f447a7ccfb4f3, \u003C 43ae0ccc4d2722b833fb59b905af129428e06d03","43ae0ccc4d2722b833fb59b905af129428e06d03",{"version":351,"is_range":342,"range_type":55,"version_start":343,"version_start_type":344,"version_end":352,"version_end_type":346,"fixed_in":9},">= 265c3491c4bc8d40587996d6ee2f447a7ccfb4f3, \u003C 033fd42c18d9b2121595b6f1e8419a115f9ac5b7","033fd42c18d9b2121595b6f1e8419a115f9ac5b7",{"version":354,"is_range":342,"range_type":55,"version_start":343,"version_start_type":344,"version_end":355,"version_end_type":346,"fixed_in":9},">= 265c3491c4bc8d40587996d6ee2f447a7ccfb4f3, \u003C aec982603aa8cc0a21143681feb5f60ecc69d718","aec982603aa8cc0a21143681feb5f60ecc69d718",{"version":357,"is_range":43,"range_type":55,"version_start":357,"version_start_type":344,"version_end":357,"version_end_type":344,"fixed_in":9},"5.5",{"ecosystem":9,"name":359,"vendor":337,"product":360,"cpe_part":361,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":362},"linux kernel","linux_kernel","o",[363,367,371,375],{"version":364,"is_range":342,"range_type":365,"version_start":9,"version_start_type":9,"version_end":366,"version_end_type":346,"fixed_in":9},"lt5.10.101","cpe","5.10.101",{"version":368,"is_range":342,"range_type":365,"version_start":369,"version_start_type":344,"version_end":370,"version_end_type":346,"fixed_in":9},"gte5.11_lt5.15.24","5.11","5.15.24",{"version":372,"is_range":342,"range_type":365,"version_start":373,"version_start_type":344,"version_end":374,"version_end_type":346,"fixed_in":9},"gte5.16_lt5.16.10","5.16","5.16.10",{"version":376,"is_range":43,"range_type":365,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"5.17:rc1"]