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{"acknowledgement": "This issue was discovered by Dave Chinner (Red Hat).", "affected_release": [{"advisory": "RHSA-2017:2918", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-693.5.2.rt56.592.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-10-19T00:00:00Z"}], "bugzilla": {"description": "kernel: xfs: unprivileged user kernel oops", "id": "1491344", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1491344"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-391", "details": ["The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.", "A flaw was found where the XFS filesystem code mishandles a user-settable inode flag in the Linux kernel prior to 4.14-rc1. This can cause a local denial of service via a kernel panic."], "name": "CVE-2017-14340", "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:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-09-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-14340\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-14340\nhttp://seclists.org/oss-sec/2017/q3/436"], "statement": "This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 as the code with the flaw is not built in these products due to theirs build configuration.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux MRG-2. Future updates for the respective releases may address this issue.", "threat_severity": "Moderate"}