{"id":"USN-3056-1","summary":"linux-raspi2 vulnerabilities","details":"Ben Hawkes discovered an integer overflow in the Linux netfilter\nimplementation. On systems running 32 bit kernels, a local unprivileged\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code with administrative privileges.\n(CVE-2016-3135)\n\nIt was discovered that the keyring implementation in the Linux kernel did\nnot ensure a data structure was initialized before referencing it after an\nerror condition occurred. A local attacker could use this to cause a denial\nof service (system crash). (CVE-2016-4470)\n\nSasha Levin discovered that a use-after-free existed in the percpu\nallocator in the Linux kernel. A local attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code with\nadministrative privileges. (CVE-2016-4794)\n\nKangjie Lu discovered an information leak in the netlink implementation of\nthe Linux kernel. A local attacker could use this to obtain sensitive\ninformation from kernel memory. (CVE-2016-5243)\n","modified":"2026-02-10T04:41:01Z","published":"2016-08-10T10:55:21Z","related":["UBUNTU-CVE-2016-3135","UBUNTU-CVE-2016-4470","UBUNTU-CVE-2016-4794","UBUNTU-CVE-2016-5243"],"upstream":["CVE-2016-3135","CVE-2016-4470","CVE-2016-4794","CVE-2016-5243","UBUNTU-CVE-2016-3135","UBUNTU-CVE-2016-4470","UBUNTU-CVE-2016-4794","UBUNTU-CVE-2016-5243"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3056-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-3135"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4470"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4794"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5243"}],"affected":[{"package":{"name":"linux-raspi2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi2@4.4.0-1019.25?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1019.25"}]}],"versions":["4.2.0-1013.19","4.2.0-1014.21","4.3.0-1006.6","4.4.0-1003.4","4.4.0-1004.5","4.4.0-1009.10","4.4.0-1010.12","4.4.0-1010.13","4.4.0-1012.16","4.4.0-1016.22","4.4.0-1017.23"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.4.0-1019.25","binary_name":"linux-headers-4.4.0-1019-raspi2"},{"binary_version":"4.4.0-1019.25","binary_name":"linux-image-4.4.0-1019-raspi2"},{"binary_version":"4.4.0-1019.25","binary_name":"linux-raspi2-headers-4.4.0-1019"},{"binary_version":"4.4.0-1019.25","binary_name":"linux-raspi2-tools-4.4.0-1019"},{"binary_version":"4.4.0-1019.25","binary_name":"linux-tools-4.4.0-1019-raspi2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2016-3135"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2016-4470"},{"severity":[{"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":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2016-4794"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2016-5243"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3056-1.json"}}],"schema_version":"1.7.3"}