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Vulnerability Details : CVE-2016-4578

sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the (1) snd_timer_user_ccallback and (2) snd_timer_user_tinterrupt functions.
Publish Date : 2016-05-23 Last Update Date : 2019-03-25
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:2574: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20162574 unix
RHSA-2016:2584: kernel-rt security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20162584 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-4578

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 15.10 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
6 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
7 OS Opensuse Leap 42.1 * * * Version Details Vulnerabilities
8 OS Opensuse Opensuse 13.1 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server Aus 7.3 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Aus 7.4 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Eus 7.3 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 7.4 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Eus 7.5 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Server Tus 7.3 * * * Version Details Vulnerabilities
19 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
20 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Linux Linux Kernel 1
Opensuse Leap 1
Opensuse Opensuse 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Server Aus 3
Redhat Enterprise Linux Server Eus 4
Redhat Enterprise Linux Server Tus 2
Redhat Enterprise Linux Workstation 1

- References For CVE-2016-4578

https://www.exploit-db.com/exploits/46529/
EXPLOIT-DB 46529
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
SUSE SUSE-SU-2016:2105
http://www.securityfocus.com/bid/90535
BID 90535 Linux Kernel CVE-2016-4578 Multiple Local Information Disclosure Vulnerabilities Release Date:2017-02-02
http://rhn.redhat.com/errata/RHSA-2016-2584.html
REDHAT RHSA-2016:2584
http://www.debian.org/security/2016/dsa-3607
DEBIAN DSA-3607
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
SUSE openSUSE-SU-2016:1641
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
SUSE openSUSE-SU-2016:2184
http://www.ubuntu.com/usn/USN-3021-2
UBUNTU USN-3021-2
http://rhn.redhat.com/errata/RHSA-2016-2574.html
REDHAT RHSA-2016:2574
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
SUSE SUSE-SU-2016:1690
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
SUSE SUSE-SU-2016:1985
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
SUSE SUSE-SU-2016:1937
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
SUSE SUSE-SU-2016:1672
http://www.ubuntu.com/usn/USN-3021-1
UBUNTU USN-3021-1
http://www.ubuntu.com/usn/USN-3017-1
UBUNTU USN-3017-1
http://www.ubuntu.com/usn/USN-3020-1
UBUNTU USN-3020-1
http://www.ubuntu.com/usn/USN-3016-2
UBUNTU USN-3016-2
http://www.ubuntu.com/usn/USN-3016-3
UBUNTU USN-3016-3
http://www.ubuntu.com/usn/USN-3018-1
UBUNTU USN-3018-1
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6 CONFIRM
http://www.ubuntu.com/usn/USN-3017-2
UBUNTU USN-3017-2
http://www.ubuntu.com/usn/USN-3019-1
UBUNTU USN-3019-1
http://www.ubuntu.com/usn/USN-3017-3
UBUNTU USN-3017-3
http://www.ubuntu.com/usn/USN-3016-4
UBUNTU USN-3016-4
http://www.ubuntu.com/usn/USN-3016-1
UBUNTU USN-3016-1
http://www.ubuntu.com/usn/USN-3018-2
UBUNTU USN-3018-2
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5 CONFIRM
https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6 CONFIRM
https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1335215 CONFIRM
http://www.openwall.com/lists/oss-security/2016/05/11/5
MLIST [oss-security] 20160511 Re: CVE Request: alsa: kernel information leak vulnerability in Linux sound/core/timer

- Metasploit Modules Related To CVE-2016-4578

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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