CVE-2016-5728

Description

Race condition in the vop_ioctl function in drivers/misc/mic/vop/vop_vringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (memory corruption and system crash) by changing a certain header, aka a "double fetch" vulnerability.

Category

6.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-3070-1 vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
https://bugzilla.kernel.org/show_bug.cgi?id=116651
http://www.ubuntu.com/usn/USN-3070-3 vendor advisory
https://github.com/torvalds/linux/commit/9bf292bfca94694a721449e3fd752493856710f6 vendor advisory
http://www.ubuntu.com/usn/USN-3070-2 vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9bf292bfca94694a721449e3fd752493856710f6 vendor advisory
http://www.ubuntu.com/usn/USN-3071-1 vendor advisory
http://www.debian.org/security/2016/dsa-3616 vendor advisory
http://www.ubuntu.com/usn/USN-3070-4 vendor advisory
http://www.securityfocus.com/archive/1/538802/30/0/threaded mailing list
http://www.ubuntu.com/usn/USN-3071-2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-5728?
CVE-2016-5728 has been scored as a medium severity vulnerability.
How to fix CVE-2016-5728?
To fix CVE-2016-5728, 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-2016-5728 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-5728 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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