{"id":"UBUNTU-CVE-2017-18202","details":"The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.","modified":"2025-09-08T16:44:34Z","published":"2018-02-27T06:29:00Z","upstream":["CVE-2017-18202"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18202"},{"type":"REPORT","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf146"},{"type":"REPORT","url":"https://github.com/torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146"},{"type":"REPORT","url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.4"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18202"}],"affected":[{"package":{"name":"linux-azure","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/linux-azure@4.15.0-1013.13~16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.15.0-1013.13~16.04.2"}]}],"versions":["4.11.0-1009.9","4.11.0-1011.11","4.11.0-1013.13","4.11.0-1014.14","4.11.0-1015.15","4.11.0-1016.16","4.13.0-1005.7","4.13.0-1006.8","4.13.0-1007.9","4.13.0-1009.12","4.13.0-1011.14","4.13.0-1012.15","4.13.0-1014.17","4.13.0-1016.19","4.13.0-1018.21"],"ecosystem_specific":{"binaries":[{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-azure-cloud-tools-4.15.0-1013"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-azure-headers-4.15.0-1013"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-azure-tools-4.15.0-1013"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-cloud-tools-4.15.0-1013-azure"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-headers-4.15.0-1013-azure"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-image-unsigned-4.15.0-1013-azure"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-modules-4.15.0-1013-azure"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-modules-extra-4.15.0-1013-azure"},{"binary_version":"4.15.0-1013.13~16.04.2","binary_name":"linux-tools-4.15.0-1013-azure"}],"availability":"No 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