[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-USN-4915-1":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":22,"duplicates":23,"related":24,"reserved_at":9,"published_at":27,"modified_at":28,"state":9,"summary":29,"references_raw":31,"kevs":47,"epss":9,"epss_history":48,"metrics":49,"affected":50},"USN-4915-1","linux-oem-5.6 vulnerabilities\n\nIt was discovered that the overlayfs implementation in the Linux kernel did\nnot properly validate the application of file system capabilities with\nrespect to user namespaces. A local attacker could use this to gain\nelevated privileges. (CVE-2021-3493)\n\nVincent Dehors discovered that the shiftfs file system in the Ubuntu Linux\nkernel did not properly handle faults in copy_from_user() when passing\nthrough ioctls to an underlying file system. A local attacker could use\nthis to cause a denial of service (memory exhaustion) or execute arbitrary\ncode. (CVE-2021-3492)\n",null,[],[],[],[14,16,18,20],{"_key":15},"CVE-2021-3492",{"_key":17},"CVE-2021-3493",{"_key":19},"UBUNTU-CVE-2021-3492",{"_key":21},"UBUNTU-CVE-2021-3493",[],[],[25,26],{"_key":19},{"_key":21},"2021-04-15T22:22:20Z","2026-06-03T13:33:54.057086128Z",{"cisa_kev":30,"cisa_ransomware":30,"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,[32,38,43],{"url":33,"sources":34,"tags":36},"https://ubuntu.com/security/notices/USN-4915-1",[35],"osv_ubuntu",[37],"Advisory",{"url":39,"sources":40,"tags":41},"https://ubuntu.com/security/CVE-2021-3492",[35],[42],"REPORT",{"url":44,"sources":45,"tags":46},"https://ubuntu.com/security/CVE-2021-3493",[35],[42],[],[],[],[51],{"ecosystem":52,"name":53,"vendor":54,"product":53,"cpe_part":9,"purl_type":55,"purl_namespace":54,"purl_name":53,"source":9,"versions":56},"Ubuntu","linux-oem-5.6","ubuntu","deb",[57],{"version":58,"is_range":59,"range_type":60,"version_start":9,"version_start_type":9,"version_end":61,"version_end_type":62,"fixed_in":9},"lt5_6_0_1054_58",true,"ecosystem","5.6.0-1054.58","excluding"]