RedhatCVELIST:CVE-2016-0774CVE-2016-0774
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.
References
lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html
rhn.redhat.com/errata/RHSA-2016-0494.html
rhn.redhat.com/errata/RHSA-2016-0617.html
source.android.com/security/bulletin/2016-05-01.html
www.debian.org/security/2016/dsa-3503
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.securityfocus.com/bid/84126
www.ubuntu.com/usn/USN-2967-1
www.ubuntu.com/usn/USN-2967-2
www.ubuntu.com/usn/USN-2968-1
www.ubuntu.com/usn/USN-2968-2
bugzilla.redhat.com/show_bug.cgi?id=1303961
security-tracker.debian.org/tracker/CVE-2016-0774
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