{"schemaVersion":3,"id":"USN-4116-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities\n\nIt was discovered that a use-after-free error existed in the block layer\nsubsystem of the Linux kernel when certain failure conditions occurred. A\nlocal attacker could possibly use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2018-20856)\n\nAmit Klein and Benny Pinkas discovered that the Linux kernel did not\nsufficiently randomize IP ID values generated for connectionless networking\nprotocols. A remote attacker could use this to track particular Linux\ndevices. (CVE-2019-10638)\n\nPraveen Pandey discovered that the Linux kernel did not properly validate\nsent signals in some situations on PowerPC systems with transactional\nmemory disabled. A local attacker could use this to cause a denial of\nservice. (CVE-2019-13648)\n\nIt was discovered that the floppy driver in the Linux kernel did not\nproperly validate meta data, leading to a buffer overread. A local attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2019-14283)\n\nIt was discovered that the floppy driver in the Linux kernel did not\nproperly validate ioctl() calls, leading to a division-by-zero. A local\nattacker could use this to cause a denial of service (system crash).\n(CVE-2019-14284)\n\nJason Wang discovered that an infinite loop vulnerability existed in the\nvirtio net driver in the Linux kernel. A local attacker in a guest VM could\npossibly use this to cause a denial of service in the host system.\n(CVE-2019-3900)","dates":{"published":"2019-09-02T21:07:31.000Z","modified":"2026-09-07T14:06:19.579Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"linux","name":"linux","label":"linux","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux","purlType":"deb","versions":[{"text":"< 4.4.0-161.189","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-161.189","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-aws","name":"linux-aws","label":"linux-aws","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-aws","purlType":"deb","versions":[{"text":"< 4.4.0-1092.103","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1092.103","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-kvm","name":"linux-kvm","label":"linux-kvm","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-kvm","purlType":"deb","versions":[{"text":"< 4.4.0-1056.63","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1056.63","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-raspi2","name":"linux-raspi2","label":"linux-raspi2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-raspi2","purlType":"deb","versions":[{"text":"< 4.4.0-1120.129","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1120.129","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"linux-snapdragon","name":"linux-snapdragon","label":"linux-snapdragon","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/linux-snapdragon","purlType":"deb","versions":[{"text":"< 4.4.0-1124.130","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.0-1124.130","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4116-1","label":"ubuntu.com/security/notices/USN-4116-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-20856","label":"ubuntu.com/security/CVE-2018-20856","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-3900","label":"ubuntu.com/security/CVE-2019-3900","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-10638","label":"ubuntu.com/security/CVE-2019-10638","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-13648","label":"ubuntu.com/security/CVE-2019-13648","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-14283","label":"ubuntu.com/security/CVE-2019-14283","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-14284","label":"ubuntu.com/security/CVE-2019-14284","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-20856","CVE-2019-10638","CVE-2019-13648","CVE-2019-14283","CVE-2019-14284","CVE-2019-3900"],"downstream":[],"duplicates":[],"related":["CVE-2018-20856","CVE-2019-10638","CVE-2019-13648","CVE-2019-14283","CVE-2019-14284","CVE-2019-3900"]},"timeline":[{"kind":"published","date":"2019-09-02T21:07:31.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-07T14:06:19.579Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T16:35:30.217Z","stale":false,"partial":false}}