CVE-2016-4569

Description

The snd_timer_user_params function in sound/core/timer.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org 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 ubuntu.com Vendor Advisory opensuse.org Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3017-1 vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cec8f96e49d9be372fdb0c3836dcf31ec71e457e
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/09/17 mailing list
http://www.ubuntu.com/usn/USN-3017-3 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html vendor advisory
http://www.ubuntu.com/usn/USN-3018-2 vendor advisory
http://www.ubuntu.com/usn/USN-3021-2 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3017-2 vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2584.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334643 issue tracking
http://rhn.redhat.com/errata/RHSA-2016-2574.html vendor advisory
http://www.ubuntu.com/usn/USN-3019-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html vendor advisory
https://github.com/torvalds/linux/commit/cec8f96e49d9be372fdb0c3836dcf31ec71e457e vendor advisory
http://www.debian.org/security/2016/dsa-3607 vendor advisory
http://www.ubuntu.com/usn/USN-3016-2 vendor advisory
http://www.ubuntu.com/usn/USN-3016-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3021-1 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3018-1 vendor advisory
http://www.securityfocus.com/bid/90347 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html vendor advisory
http://www.ubuntu.com/usn/USN-3016-3 vendor advisory
http://www.ubuntu.com/usn/USN-3016-4 vendor advisory
http://www.ubuntu.com/usn/USN-3020-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4569?
CVE-2016-4569 has been scored as a medium severity vulnerability.
How to fix CVE-2016-4569?
To fix CVE-2016-4569, 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-2016-4569 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-4569 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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