CVE-2016-6187

Description

The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.36% Top 15%
Third-Party Advisory marc.info Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096ca issue tracking patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a46a4647fd1df9cf52e43bf467f0d9265096ca issue tracking patch
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5 release notes
http://www.openwall.com/lists/oss-security/2016/07/09/2 third party advisory mailing list
http://marc.info/?l=linux-kernel&m=146793642811929&w=2 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1354383 issue tracking
http://www.securityfocus.com/bid/91696 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-6187?
CVE-2016-6187 has been scored as a high severity vulnerability.
How to fix CVE-2016-6187?
To fix CVE-2016-6187, 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-2016-6187 being actively exploited in the wild?
It is possible that CVE-2016-6187 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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