{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"dateAssigned":"2018-04-17T00:00:00.000Z","datePublic":"2018-04-24T00:00:00.000Z","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. 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)."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-31T09:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"USN-3752-2","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-2/"},{"tags":["x_refsource_CONFIRM"],"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=27ae357fa82be5ab73b2ef8d39dcb8ca2563483a"},{"name":"USN-3752-3","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-3/"},{"tags":["x_refsource_CONFIRM"],"url":"https://access.redhat.com/security/cve/cve-2018-1000200"},{"name":"[linux-kernel] 20180424 [patch v3 for-4.17] mm, oom: fix concurrent munlock and oom reaper unmap","tags":["mailing-list","x_refsource_MLIST"],"url":"https://marc.info/?l=linux-kernel&m=152460926619256"},{"name":"RHSA-2018:2948","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2018:2948"},{"name":"104397","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/104397"},{"name":"[linux-kernel] 20180417 [patch] mm, oom: fix concurrent munlock and oom reaper unmap","tags":["mailing-list","x_refsource_MLIST"],"url":"https://marc.info/?l=linux-kernel&m=152400522806945"},{"name":"USN-3752-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://usn.ubuntu.com/3752-1/"},{"name":"[oss-security] 20180424 CVE-2018-1000200 (Linux): Bad memory access on oom kill of large mlocked process","tags":["mailing-list","x_refsource_MLIST"],"url":"http://seclists.org/oss-sec/2018/q2/67"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","DATE_ASSIGNED":"2018-04-17T12:00:00","DATE_REQUESTED":"2018-04-17T14:00:00","ID":"CVE-2018-1000200","REQUESTER":"rientjes@google.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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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