{"id":"CVE-2019-12817","details":"arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.","modified":"2026-03-15T22:29:21.732855Z","published":"2019-06-25T12:15:11.030Z","related":["MGASA-2019-0314","SUSE-SU-2019:1744-1","SUSE-SU-2019:1765-1","SUSE-SU-2019:1769-1","SUSE-SU-2019:2069-1","SUSE-SU-2019:2430-1","openSUSE-SU-2019:1757-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSKLL2374YGFQR6LSVCFGTTCRGBTLAWZ/"},{"type":"WEB","url":"http://www.securityfocus.com/bid/108884"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OTLN3KQYEEWWAJYA4BUYYDMWWXCJQNV2/"},{"type":"WEB","url":"https://support.f5.com/csp/article/K12876166?utm_source=f5support&amp%3Butm_medium=RSS"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2703"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/13"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K12876166"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4031-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4495"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/06/24/5"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12817.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"19.04"}]},{"events":[{"introduced":"0"},{"fixed":"5.1.15"}]},{"events":[{"introduced":"0"},{"last_affected":"29"}]},{"events":[{"introduced":"0"},{"last_affected":"30"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.1"}]},{"events":[{"introduced":"0"},{"last_affected":"8.2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.4"}]},{"events":[{"introduced":"0"},{"last_affected":"8.2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.4"}]},{"events":[{"introduced":"0"},{"last_affected":"8.2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}