PT-2017-2031

CVE-2016-1881

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Published

2016-01-14

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Updated

2018-01-30

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions FreeBSD versions 9.3, 10.1, and 10.2
Description The issue is related to insufficient access control in the FreeBSD kernel, which can be exploited to cause a denial of service or potentially gain privileges. This can be achieved by making a specially crafted Linux compatibility layer setgroups system call.
Recommendations For versions 9.3, 10.1, and 10.2, consider restricting access to the Linux compatibility layer to minimize the risk of exploitation until a patch is available. As a temporary workaround, consider disabling the setgroups system call until a fix is provided.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
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