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CVE-2016-0774

CVE information

Published

7 years ago

Last Modified

6 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

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..

CVSSv2.0 Score

Severity
Medium
Base Score
5.6/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
7.8/10
Confidentiality Impact
Partial
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
6.8/10
Exploit Score
2.5/10
Access Vector
Local
Access Complexity
Low
Privileges Required
None
Impact Score
4.2/10
Confidentiality Impact
Low
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
  Yes
- -

References