[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-21781":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T02:53:27.892Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":19,"related":20,"reserved_at":9,"published_at":21,"modified_at":22,"state":9,"summary":23,"references_raw":25,"kevs":32,"epss":9,"epss_history":33,"metrics":34,"affected":41},"DEBIAN-CVE-2021-21781","An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version (5.11-rc4) seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a process’s memory at a specific offset to trigger this vulnerability. This was fixed in kernel releases: 4.14.222 4.19.177 5.4.99 5.10.17 5.11",null,[],[],[],[14],{"_key":15},"CVE-2021-21781",[17],{"_key":18},"DLA-2713-1",[],[],"2021-08-18T15:15:07.733Z","2026-04-28T20:22:07.302476Z",{"cisa_kev":24,"cisa_ransomware":24,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[26],{"url":27,"sources":28,"tags":30},"https://security-tracker.debian.org/tracker/CVE-2021-21781",[29],"osv_debian",[31],"Advisory",[],[],[35],{"source":29,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":36,"cvss_v4_0":9},{"baseScore":37,"baseSeverity":9,"vectorString":38,"impactScore":39,"exploitabilityScore":40},3.3,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",2.3,4.6,[42],{"ecosystem":43,"name":44,"vendor":45,"product":44,"cpe_part":9,"purl_type":46,"purl_namespace":45,"purl_name":44,"source":9,"versions":47},"Debian","linux","debian","deb",[48,54,55,56],{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},"lt5_10_19_1",true,"ecosystem","5.10.19-1","excluding",{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9}]