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.
Published 2016-04-27 17:59:06
Updated 2016-12-03 03:18:02
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2016-0774

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-0774

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:N/A:C
3.9
7.8
NIST
6.8
MEDIUM CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
2.5
4.2
NIST

CWE ids for CVE-2016-0774

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-0774

Products affected by CVE-2016-0774

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