[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2020-27675":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":42,"aliases":43,"duplicate_of":9,"upstream":44,"downstream":45,"duplicates":76,"related":77,"reserved_at":9,"published_at":85,"modified_at":86,"state":87,"summary":88,"references_raw":97,"kevs":147,"epss":148,"epss_history":151,"metrics":419,"affected":429},"CVE-2020-27675","An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. drivers/xen/events/events_base.c allows event-channel removal during the event-handling loop (a race condition). This can cause a use-after-free or NULL pointer dereference, as demonstrated by a dom0 crash via events for an in-reconfiguration paravirtualized device, aka CID-073d0552ead5.",null,[11,28,36],{"_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",[],{"_key":29,"id":29,"name":30,"description":31,"type":15,"status":32,"abstraction":33,"likelihood_of_exploit":34,"capec":35},"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 Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new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.","Stable","Variant","High",[],{"_key":37,"id":37,"name":38,"description":39,"type":15,"status":32,"abstraction":40,"likelihood_of_exploit":18,"capec":41},"CWE-476","NULL Pointer Dereference","The product dereferences a pointer that it expects to be valid but is NULL.","Base",[],[],[],[],[46,48,50,52,54,56,58,60,62,64,66,68,70,72,74],{"_key":47},"SUSE-SU-2020:3272-1",{"_key":49},"SUSE-SU-2020:3281-1",{"_key":51},"SUSE-SU-2020:3491-1",{"_key":53},"SUSE-SU-2020:3532-1",{"_key":55},"SUSE-SU-2020:3544-1",{"_key":57},"DLA-2483-1",{"_key":59},"DLA-2494-1",{"_key":61},"MGASA-2021-0030",{"_key":63},"MGASA-2021-0031",{"_key":65},"DEBIAN-CVE-2020-27675",{"_key":67},"UBUNTU-CVE-2020-27675",{"_key":69},"USN-4679-1",{"_key":71},"USN-4680-1",{"_key":73},"USN-4681-1",{"_key":75},"USN-4751-1",[],[78,79,80,81,82,83,84],{"_key":47},{"_key":49},{"_key":51},{"_key":53},{"_key":55},{"_key":61},{"_key":63},"2020-10-22T20:32:49.000Z","2024-08-04T16:18:45.560Z","Modified",{"cisa_kev":89,"cisa_ransomware":89,"cisa_vendor":9,"epss_severity":90,"epss_score":91,"severity":92,"severity_score":93,"severity_version":94,"severity_source":95,"severity_vector":96,"severity_status":87},false,"low",0.00062,"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",[98,106,111,115,120,124,128,133,139,143],{"url":99,"sources":100,"tags":102},"https://xenbits.xen.org/xsa/advisory-331.html",[101,95],"cve.org",[103,104,105],"X Refsource MISC","Patch","Vendor Advisory",{"url":107,"sources":108,"tags":109},"https://github.com/torvalds/linux/commit/073d0552ead5bfc7a3a9c01de590e924f11b5dd2",[101,95],[103,104,110],"Third Party Advisory",{"url":112,"sources":113,"tags":114},"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073d0552ead5bfc7a3a9c01de590e924f11b5dd2",[101,95],[103,104,105],{"url":116,"sources":117,"tags":118},"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3ZG6TZLD23QO3PV2AN2HB625ZX47ALTT/",[101,95],[105,119],"X Refsource FEDORA",{"url":121,"sources":122,"tags":123},"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6USZ4APZSBQDHGJLJMHW5JBN4QZV6SKZ/",[101,95],[105,119],{"url":125,"sources":126,"tags":127},"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNF2R7FUT4IOJ2RIRGQ7X5R4F4FVVLSR/",[101,95],[105,119],{"url":129,"sources":130,"tags":131},"https://security.gentoo.org/glsa/202011-06",[101,95],[105,132,110],"X Refsource GENTOO",{"url":134,"sources":135,"tags":136},"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html",[101,95],[137,138,110],"Mailing List","X Refsource MLIST",{"url":140,"sources":141,"tags":142},"https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html",[101,95],[137,138,110],{"url":144,"sources":145,"tags":146},"http://www.openwall.com/lists/oss-security/2021/01/19/3",[101,95],[137,138,110],[],{"date":149,"score":91,"percentile":150},"2026-06-03",0.19502,[152,156,159,162,164,167,170,173,176,179,182,185,188,191,194,198,201,204,207,209,212,215,218,221,224,227,230,233,236,239,241,244,247,249,252,255,258,261,264,267,270,273,276,279,282,285,288,291,294,297,300,303,306,309,312,315,318,321,324,327,329,332,334,338,341,344,347,350,353,356,359,362,365,368,371,374,377,380,383,386,389,392,395,398,401,404,407,410,413,416],{"date":153,"score":154,"percentile":155},"2025-11-04",0.00095,0.27263,{"date":157,"score":154,"percentile":158},"2025-11-05",0.27243,{"date":160,"score":154,"percentile":161},"2025-11-06",0.27253,{"date":163,"score":154,"percentile":161},"2025-11-07",{"date":165,"score":154,"percentile":166},"2025-11-08",0.27246,{"date":168,"score":154,"percentile":169},"2025-11-09",0.27202,{"date":171,"score":154,"percentile":172},"2025-11-10",0.27167,{"date":174,"score":154,"percentile":175},"2025-11-11",0.27192,{"date":177,"score":154,"percentile":178},"2025-11-12",0.27236,{"date":180,"score":154,"percentile":181},"2025-11-13",0.27244,{"date":183,"score":154,"percentile":184},"2025-11-14",0.27229,{"date":186,"score":154,"percentile":187},"2025-11-15",0.27217,{"date":189,"score":154,"percentile":190},"2025-11-16",0.27172,{"date":192,"score":154,"percentile":193},"2025-11-17",0.27141,{"date":195,"score":196,"percentile":197},"2025-11-18",0.00051,0.11294,{"date":199,"score":196,"percentile":200},"2025-11-19",0.11312,{"date":202,"score":196,"percentile":203},"2025-11-20",0.11334,{"date":205,"score":154,"percentile":206},"2025-11-21",0.27145,{"date":208,"score":154,"percentile":206},"2025-11-22",{"date":210,"score":154,"percentile":211},"2025-11-23",0.27105,{"date":213,"score":154,"percentile":214},"2025-11-24",0.27074,{"date":216,"score":154,"percentile":217},"2025-11-25",0.27065,{"date":219,"score":154,"percentile":220},"2025-11-26",0.27055,{"date":222,"score":154,"percentile":223},"2025-11-27",0.27064,{"date":225,"score":154,"percentile":226},"2025-11-28",0.27033,{"date":228,"score":154,"percentile":229},"2025-11-29",0.27016,{"date":231,"score":154,"percentile":232},"2025-11-30",0.26992,{"date":234,"score":154,"percentile":235},"2025-12-01",0.27046,{"date":237,"score":154,"percentile":238},"2025-12-02",0.27069,{"date":240,"score":154,"percentile":214},"2025-12-03",{"date":242,"score":154,"percentile":243},"2025-12-04",0.2701,{"date":245,"score":154,"percentile":246},"2025-12-05",0.27048,{"date":248,"score":154,"percentile":246},"2025-12-06",{"date":250,"score":154,"percentile":251},"2025-12-07",0.27015,{"date":253,"score":154,"percentile":254},"2025-12-08",0.27019,{"date":256,"score":154,"percentile":257},"2025-12-09",0.27075,{"date":259,"score":154,"percentile":260},"2025-12-10",0.27151,{"date":262,"score":154,"percentile":263},"2025-12-11",0.27183,{"date":265,"score":154,"percentile":266},"2025-12-12",0.27196,{"date":268,"score":154,"percentile":269},"2025-12-13",0.27193,{"date":271,"score":154,"percentile":272},"2025-12-14",0.27159,{"date":274,"score":154,"percentile":275},"2025-12-15",0.27131,{"date":277,"score":154,"percentile":278},"2025-12-16",0.27143,{"date":280,"score":154,"percentile":281},"2025-12-17",0.27201,{"date":283,"score":154,"percentile":284},"2025-12-18",0.27255,{"date":286,"score":154,"percentile":287},"2025-12-19",0.2727,{"date":289,"score":154,"percentile":290},"2025-12-20",0.27238,{"date":292,"score":154,"percentile":293},"2025-12-21",0.272,{"date":295,"score":154,"percentile":296},"2025-12-22",0.27171,{"date":298,"score":154,"percentile":299},"2025-12-23",0.27136,{"date":301,"score":154,"percentile":302},"2025-12-24",0.27147,{"date":304,"score":154,"percentile":305},"2025-12-25",0.27222,{"date":307,"score":154,"percentile":308},"2025-12-26",0.27215,{"date":310,"score":154,"percentile":311},"2025-12-27",0.27206,{"date":313,"score":154,"percentile":314},"2025-12-28",0.27127,{"date":316,"score":154,"percentile":317},"2025-12-29",0.27098,{"date":319,"score":154,"percentile":320},"2025-12-30",0.27095,{"date":322,"score":154,"percentile":323},"2025-12-31",0.27161,{"date":325,"score":154,"percentile":326},"2026-01-01",0.27271,{"date":328,"score":154,"percentile":287},"2026-01-02",{"date":330,"score":154,"percentile":331},"2026-01-03",0.2725,{"date":333,"score":154,"percentile":302},"2026-01-04",{"date":335,"score":336,"percentile":337},"2026-01-05",0.00088,0.25586,{"date":339,"score":336,"percentile":340},"2026-01-06",0.25594,{"date":342,"score":336,"percentile":343},"2026-01-07",0.25619,{"date":345,"score":336,"percentile":346},"2026-01-08",0.25666,{"date":348,"score":336,"percentile":349},"2026-01-09",0.25645,{"date":351,"score":336,"percentile":352},"2026-01-10",0.2562,{"date":354,"score":336,"percentile":355},"2026-01-11",0.25601,{"date":357,"score":336,"percentile":358},"2026-01-12",0.25558,{"date":360,"score":336,"percentile":361},"2026-01-13",0.25537,{"date":363,"score":336,"percentile":364},"2026-01-14",0.25585,{"date":366,"score":336,"percentile":367},"2026-01-15",0.25576,{"date":369,"score":336,"percentile":370},"2026-01-16",0.25607,{"date":372,"score":336,"percentile":373},"2026-01-17",0.25611,{"date":375,"score":336,"percentile":376},"2026-01-18",0.25563,{"date":378,"score":336,"percentile":379},"2026-01-19",0.25515,{"date":381,"score":336,"percentile":382},"2026-01-20",0.25495,{"date":384,"score":336,"percentile":385},"2026-01-21",0.25439,{"date":387,"score":336,"percentile":388},"2026-01-22",0.25418,{"date":390,"score":336,"percentile":391},"2026-01-23",0.25496,{"date":393,"score":336,"percentile":394},"2026-01-24",0.25502,{"date":396,"score":336,"percentile":397},"2026-01-25",0.25417,{"date":399,"score":336,"percentile":400},"2026-01-26",0.25324,{"date":402,"score":336,"percentile":403},"2026-01-27",0.25308,{"date":405,"score":336,"percentile":406},"2026-01-28",0.25305,{"date":408,"score":336,"percentile":409},"2026-01-29",0.25268,{"date":411,"score":336,"percentile":412},"2026-01-30",0.25258,{"date":414,"score":336,"percentile":415},"2026-01-31",0.25252,{"date":417,"score":336,"percentile":418},"2026-02-01",0.25304,[420],{"source":95,"cvss_v2_0":421,"cvss_v3_0":9,"cvss_v3_1":425,"cvss_v4_0":9},{"baseScore":93,"baseSeverity":9,"vectorString":422,"impactScore":423,"exploitabilityScore":424},"AV:L/AC:M/Au:N/C:N/I:N/A:C",6.9,3.4,{"baseScore":93,"baseSeverity":426,"vectorString":96,"impactScore":427,"exploitabilityScore":428},"MEDIUM",6,2.6,[430,439,449],{"ecosystem":9,"name":431,"vendor":432,"product":433,"cpe_part":434,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":435},"debian linux","debian","debian_linux","o",[436],{"version":437,"is_range":89,"range_type":438,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"9.0","cpe",{"ecosystem":9,"name":440,"vendor":441,"product":440,"cpe_part":434,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":442},"fedora","fedoraproject",[443,445,447],{"version":444,"is_range":89,"range_type":438,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"31",{"version":446,"is_range":89,"range_type":438,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"32",{"version":448,"is_range":89,"range_type":438,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"33",{"ecosystem":9,"name":450,"vendor":451,"product":452,"cpe_part":434,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":453},"linux kernel","linux","linux_kernel",[454],{"version":455,"is_range":456,"range_type":438,"version_start":9,"version_start_type":9,"version_end":457,"version_end_type":458,"fixed_in":9},"lte5.9.1",true,"5.9.1","including"]