{"id":"USN-4031-1","summary":"linux, linux-hwe vulnerability","details":"It was discovered that the Linux kernel did not properly separate certain\nmemory mappings when creating new userspace processes on 64-bit Power\n(ppc64el) systems. A local attacker could use this to access memory\ncontents or cause memory corruption of other processes on the system.\n","modified":"2026-02-10T04:41:33Z","published":"2019-06-24T14:04:29Z","related":["UBUNTU-CVE-2019-12817"],"upstream":["CVE-2019-12817","UBUNTU-CVE-2019-12817"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4031-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12817"}],"affected":[{"package":{"name":"linux-hwe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe@4.18.0-24.25~18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-24.25~18.04.1"}]}],"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","4.18.0-21.22~18.04.1","4.18.0-22.23~18.04.1"],"ecosystem_specific":{"availability":"No subscription 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