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f5F5F5:K08440897
HistoryJul 13, 2016 - 12:00 a.m.

K08440897 : Linux kernel vulnerability CVE-2016-0774

2016-07-1300:00:00
my.f5.com
43

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.9%

Security Advisory 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. (CVE-2016-0774)

Impact

A local unprivileged user may be able to leak kernel memory to user space or cause a denial of service (DoS).