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{"affected_release": [{"advisory": "RHSA-2016:2766", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-642.11.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-11-15T00:00:00Z"}, {"advisory": "RHSA-2016:1539", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-327.28.2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-08-02T00:00:00Z"}], "bugzilla": {"description": "kernel: Fork of large process causes memory corruption", "id": "1308908", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1308908"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "verified"}, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-119", "details": ["The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.", "It was reported that on s390x, the fork of a process with four page table levels will cause memory corruption with a variety of symptoms. All processes are created with three level page table and a limit of 4TB for the address space. If the parent process has four page table levels with a limit of 8PB, the function that duplicates the address space will try to copy memory areas outside of the address space limit for the child process."], "name": "CVE-2016-2143", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-06-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2143\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2143"], "threat_severity": "Moderate"}