{"id":"USN-4006-2","summary":"linux-hwe vulnerability","details":"USN-4006-1 fixed a vulnerability in the Linux kernel for Ubuntu 18.10.\nThis update provides the corresponding updates for the Linux Hardware\nEnablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.\n\nFederico Manuel Bento discovered that the Linux kernel did not properly\napply Address Space Layout Randomization (ASLR) in some situations for\nsetuid a.out binaries. A local attacker could use this to improve the\nchances of exploiting an existing vulnerability in a setuid a.out binary.\n\nAs a hardening measure, this update disables a.out support.\n","modified":"2026-02-10T04:41:33Z","published":"2019-06-04T22:54:41Z","related":["UBUNTU-CVE-2019-11191"],"upstream":["CVE-2019-11191","UBUNTU-CVE-2019-11191"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4006-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11191"}],"affected":[{"package":{"name":"linux-hwe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe@4.18.0-21.22~18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-21.22~18.04.1"}]}],"versions":["4.18.0-13.14~18.04.1","4.18.0-14.15~18.04.1","4.18.0-15.16~18.04.1","4.18.0-16.17~18.04.1","4.18.0-17.18~18.04.1","4.18.0-18.19~18.04.1","4.18.0-20.21~18.04.1"],"ecosystem_specific":{"availability":"No subscription 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