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{"acknowledgement": "This issue was discovered by Red Hat.", "affected_release": [{"advisory": "RHSA-2016:0494", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-573.22.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-03-22T00:00:00Z"}, {"advisory": "RHSA-2016:0617", "cpe": "cpe:/o:redhat:rhel_eus:6.6", "package": "kernel-0:2.6.32-504.46.1.el6", "product_name": "Red Hat Enterprise Linux 6.6 Extended Update Support", "release_date": "2016-04-12T00:00:00Z"}, {"advisory": "RHSA-2015:2152", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-327.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}, {"advisory": "RHSA-2016:0103", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "kernel-0:3.10.0-229.26.2.el7", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2016-02-02T00:00:00Z"}], "bugzilla": {"description": "kernel: pipe buffer state corruption after unsuccessful atomic read from pipe", "id": "1303961", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1303961"}, "csaw": false, "cvss": {"cvss_base_score": "5.4", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:P/I:N/A:C", "status": "verified"}, "details": ["The (1) pipe_read and (2) pipe_write implementations in fs/pipe.c in a certain Linux kernel backport in the linux package before 3.2.73-2+deb7u3 on Debian wheezy and the kernel package before 3.10.0-229.26.2 on Red Hat Enterprise Linux (RHEL) 7.1 do not properly consider the side effects of failed __copy_to_user_inatomic and __copy_from_user_inatomic calls, which allows local users to cause a denial of service (system crash) or possibly gain privileges via a crafted application, aka an \"I/O vector array overrun.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2015-1805.", "It was found that the fix for CVE-2015-1805 incorrectly kept buffer offset and buffer length in sync on a failed atomic read, potentially resulting in a pipe buffer state corruption. A local, unprivileged user could use this flaw to crash the system or leak kernel memory to user space."], "name": "CVE-2016-0774", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "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": "kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2016-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-0774\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-0774"], "threat_severity": "Moderate"}