{"id":"USN-3633-1","summary":"linux-euclid vulnerability","details":"Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation\nin the Linux kernel improperly performed sign extension in some situations.\nA local attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code.\n","modified":"2026-02-10T04:41:20Z","published":"2018-04-24T06:48:49Z","related":["UBUNTU-CVE-2017-16995"],"upstream":["CVE-2017-16995","UBUNTU-CVE-2017-16995"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3633-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-16995"}],"affected":[{"package":{"name":"linux-euclid","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/linux-euclid@4.4.0-9026.28?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-9026.28"}]}],"versions":["4.4.0-9019.20","4.4.0-9020.21","4.4.0-9021.22","4.4.0-9022.23","4.4.0-9023.24","4.4.0-9025.27"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.4.0-9026.28","binary_name":"linux-euclid-headers-4.4.0-9026"},{"binary_version":"4.4.0-9026.28","binary_name":"linux-euclid-tools-4.4.0-9026"},{"binary_version":"4.4.0-9026.28","binary_name":"linux-headers-4.4.0-9026-euclid"},{"binary_version":"4.4.0-9026.28","binary_name":"linux-image-4.4.0-9026-euclid"},{"binary_version":"4.4.0-9026.28","binary_name":"linux-image-extra-4.4.0-9026-euclid"},{"binary_version":"4.4.0-9026.28","binary_name":"linux-tools-4.4.0-9026-euclid"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2017-16995","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3633-1.json"}}],"schema_version":"1.7.3"}