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CVE-2016-0774

Date: April 27, 2016

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.

Severity Score

6.8

Related Resources (28)

Url: http://www.debian.org/security/2016/dsa-3503

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html

Url: http://www.securityfocus.com/bid/84126

Url: https://access.redhat.com/security/cve/CVE-2016-0774

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0774

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html

Url: http://www.ubuntu.com/usn/USN-2967-1

Url: http://www.ubuntu.com/usn/USN-2967-2

Url: http://www.ubuntu.com/usn/USN-2968-1

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1303961

Url: http://www.ubuntu.com/usn/USN-2968-2

Url: http://rhn.redhat.com/errata/RHSA-2016-0617.html

Url: https://security-tracker.debian.org/tracker/CVE-2016-0774

Url: http://rhn.redhat.com/errata/RHSA-2016-0494.html

Url: http://source.android.com/security/bulletin/2016-05-01.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-0774

Url: https://www.mend.io/vulnerability-database/CVE-2016-0774

Severity Score

6.8

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:	6.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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CVE-2016-0774

Date: April 27, 2016

Severity Score

Related Resources (28)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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