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CVE-2016-4998 The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensi...

HighCVSS 7.1 EPSS 1.9% Framework module
Published
Updated
Exploit status
Public exploit available

Description

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

Affected products

ProductAffected versionsFixed in
debian/linux(Debian:12) < 4.6.2-2 4.6.2-2
debian/linux(Debian:13) < 4.6.2-2 4.6.2-2
debian/linux(Debian:14) < 4.6.2-2 4.6.2-2
Linux kernel <= 4.5.5 No fix listed
oracle linux = 7 No fix listed
Canonical Ubuntu Linux = 12.04 No fix listed
Canonical Ubuntu Linux = 14.04 No fix listed
Canonical Ubuntu Linux = 15.10 No fix listed
Canonical Ubuntu Linux = 16.04 No fix listed

References