{"id":"CVE-2018-1000200","state":"PUBLISHED","title":"The Linux Kernel versions 4.14, 4.15, and 4.16 has a null pointer dereference which can result in an out of memory (OOM) killing of large mlocked processes. The issue arises from a","description":"The Linux Kernel versions 4.14, 4.15, and 4.16 has a null pointer dereference which can result in an out of memory (OOM) killing of large mlocked processes. The issue arises from an oom killed process's final thread calling exit_mmap(), which calls munlock_vma_pages_all() for mlocked vmas.This can happen synchronously with the oom reaper's unmap_page_range() since the vma's VM_LOCKED bit is cleared before munlocking (to determine if any other vmas share the memory and are mlocked).","publishedAt":"2018-06-05T13:00:00.000Z","updatedAt":"2024-08-05T12:40:46.712Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://usn.ubuntu.com/3752-2/","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=27ae357fa82be5ab73b2ef8d39dcb8ca2563483a","https://usn.ubuntu.com/3752-3/","https://access.redhat.com/security/cve/cve-2018-1000200","https://marc.info/?l=linux-kernel&m=152460926619256","https://access.redhat.com/errata/RHSA-2018:2948","http://www.securityfocus.com/bid/104397","https://marc.info/?l=linux-kernel&m=152400522806945","https://usn.ubuntu.com/3752-1/","http://seclists.org/oss-sec/2018/q2/67"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:06.197Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/1000xxx/CVE-2018-1000200.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-1000200","state":"PUBLISHED","datePublished":"2018-06-05T13:00:00.000Z","dateUpdated":"2024-08-05T12:40:46.712Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-04-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The Linux Kernel versions 4.14, 4.15, and 4.16 has a null pointer dereference which can result in an out of memory (OOM) killing of large mlocked processes. 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