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{"acknowledgement": "Red Hat would like to thank Vadim Ponomarev for reporting this issue.", "bugzilla": {"description": "kernel: pid namespace leak in kernel 3.0 and 3.1", "id": "815188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=815188"}, "csaw": false, "cvss": {"cvss_base_score": "4.6", "cvss_scoring_vector": "AV:L/AC:L/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["fs/proc/root.c in the procfs implementation in the Linux kernel before 3.2 does not properly interact with CLONE_NEWPID clone system calls, which allows remote attackers to cause a denial of service (reference leak and memory consumption) by making many connections to a daemon that uses PID namespaces to isolate clients, as demonstrated by vsftpd."], "name": "CVE-2012-2127", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 4"}, {"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:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-04-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2127\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2127"], "statement": "This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, and 6 as they did not backport the upstream commit 423e0ab0 that introduced this issue. This issue did not affect Red Hat Enteprise Linux MRG 2.", "threat_severity": "Moderate"}