CVE-2016-4486

Public Exploit

Description

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

Category

3.3
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.46%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3006-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3004-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3001-1 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1333316 issue tracking vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html third party advisory vendor advisory
https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6 vendor advisory
http://www.securityfocus.com/bid/90051 vdb entry
http://www.ubuntu.com/usn/USN-3005-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html vendor advisory
https://www.exploit-db.com/exploits/46006/ exploit
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html vendor advisory
http://www.ubuntu.com/usn/USN-2997-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3000-1 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3607 vendor advisory
http://www.ubuntu.com/usn/USN-3002-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2996-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2989-1 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6
http://www.ubuntu.com/usn/USN-3007-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
http://www.ubuntu.com/usn/USN-3003-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html vendor advisory
http://www.ubuntu.com/usn/USN-2998-1 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/04/27 mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4486?
CVE-2016-4486 has been scored as a low severity vulnerability.
How to fix CVE-2016-4486?
To fix CVE-2016-4486, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4486 being actively exploited in the wild?
It is possible that CVE-2016-4486 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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