CVE-2016-4485

Description

The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory by reading a message.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.77% Top 30%
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Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
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
http://www.openwall.com/lists/oss-security/2016/05/04/26 mailing list
http://www.ubuntu.com/usn/USN-3005-1 third party advisory vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor advisory
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
https://bugzilla.redhat.com/show_bug.cgi?id=1333309 issue tracking
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
https://github.com/torvalds/linux/commit/b8670c09f37bdf2847cc44f36511a53afc6161fd patch 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://www.ubuntu.com/usn/USN-3007-1 third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5 release notes
http://www.securityfocus.com/bid/90015 vdb entry
http://www.ubuntu.com/usn/USN-3003-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2998-1 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4485?
CVE-2016-4485 has been scored as a high severity vulnerability.
How to fix CVE-2016-4485?
To fix CVE-2016-4485, 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-2016-4485 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-4485 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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