CVE-2016-2544

Description

Race condition in the queue_delete function in sound/core/seq/seq_queue.c in the Linux kernel before 4.4.1 allows local users to cause a denial of service (use-after-free and system crash) by making an ioctl call at a certain time.

Category

5.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
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 opensuse.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 kernel.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-2930-1 vendor advisory
http://www.ubuntu.com/usn/USN-2967-1 vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
http://www.ubuntu.com/usn/USN-2930-2 vendor advisory
http://www.debian.org/security/2016/dsa-3503 vendor advisory
http://www.ubuntu.com/usn/USN-2967-2 vendor advisory
http://www.openwall.com/lists/oss-security/2016/01/19/1 mailing list
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3567eb6af614dac436c4b16a8d426f9faed639b3 patch vendor advisory
http://www.ubuntu.com/usn/USN-2930-3 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1311558
http://www.securityfocus.com/bid/83380 vdb entry
http://www.ubuntu.com/usn/USN-2929-1 vendor advisory
http://www.ubuntu.com/usn/USN-2932-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor advisory
http://www.securitytracker.com/id/1035305 vdb entry
http://www.ubuntu.com/usn/USN-2931-1 vendor advisory
http://www.ubuntu.com/usn/USN-2929-2 vendor advisory
https://github.com/torvalds/linux/commit/3567eb6af614dac436c4b16a8d426f9faed639b3 patch vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2544?
CVE-2016-2544 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2544?
To fix CVE-2016-2544, 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-2016-2544 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-2544 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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