CVE-2016-5243

Description

The tipc_nl_compat_link_dump function in net/tipc/netlink_compat.c in the Linux kernel through 4.6.3 does not properly copy a certain string, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
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Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3054-1 vendor advisory
http://www.openwall.com/lists/oss-security/2016/06/03/4 mailing list
http://www.ubuntu.com/usn/USN-3051-1 vendor advisory
https://github.com/torvalds/linux/commit/5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 vendor advisory
http://www.ubuntu.com/usn/USN-3053-1 vendor advisory
https://patchwork.ozlabs.org/patch/629100/ patch
http://www.ubuntu.com/usn/USN-3055-1 vendor advisory
http://www.ubuntu.com/usn/USN-3056-1 vendor advisory
http://www.ubuntu.com/usn/USN-3052-1 vendor advisory
http://www.ubuntu.com/usn/USN-3049-1 vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5d2be1422e02ccd697ccfcd45c85b4a26e6178e2 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1343335
http://www.debian.org/security/2016/dsa-3607 vendor advisory
http://www.ubuntu.com/usn/USN-3050-1 vendor advisory
http://www.ubuntu.com/usn/USN-3057-1 vendor advisory
http://www.securityfocus.com/bid/91334 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-5243?
CVE-2016-5243 has been scored as a medium severity vulnerability.
How to fix CVE-2016-5243?
To fix CVE-2016-5243, 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-2016-5243 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-5243 is being actively exploited. 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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