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{"bugzilla": {"description": "kernel: Use after free in sys_ioprio_get()", "id": "1399722", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1399722"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:N/I:N/A:C", "status": "draft"}, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel before 4.6.6 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted ioprio_get system call.", "A use-after-free vulnerability in sys_ioprio_get() was found due to get_task_ioprio() accessing the task->io_context without holding the task lock and could potentially race with exit_io_context(), leading to a use-after-free."], "name": "CVE-2016-7911", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Will not fix", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-07-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7911\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7911"], "statement": "This issue affects the versions of the Linux kernel as shipped with\nRed Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel\nupdates for Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2 are not planning to be updated to address this issue. If this affects you please lodge a support request.\nRed Hat Enterprise Linux 5 is now in Production 3 phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Moderate"}