CVE-2016-2547
Linux Kernel Sound Core Use-After-Free Denial of Service
Description
sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.
INFO
Published Date :
April 27, 2016, 5:59 p.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update the affected kernel packages.
- Update the affected linux packages.
Public PoC/Exploit Available at Github
CVE-2016-2547 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-2547.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-2547 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-2547
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-2547 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-2547 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html Added Reference http://www.debian.org/security/2016/dsa-3503 Added Reference http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 Added Reference http://www.openwall.com/lists/oss-security/2016/01/19/1 Added Reference http://www.securityfocus.com/bid/83378 Added Reference http://www.securitytracker.com/id/1035298 Added Reference http://www.ubuntu.com/usn/USN-2929-1 Added Reference http://www.ubuntu.com/usn/USN-2929-2 Added Reference http://www.ubuntu.com/usn/USN-2930-1 Added Reference http://www.ubuntu.com/usn/USN-2930-2 Added Reference http://www.ubuntu.com/usn/USN-2930-3 Added Reference http://www.ubuntu.com/usn/USN-2931-1 Added Reference http://www.ubuntu.com/usn/USN-2932-1 Added Reference http://www.ubuntu.com/usn/USN-2967-1 Added Reference http://www.ubuntu.com/usn/USN-2967-2 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1311566 Added Reference https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Sep. 07, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1035298 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 03, 2016
Action Type Old Value New Value Added Reference http://www.ubuntu.com/usn/USN-2930-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2931-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2929-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2932-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2930-3 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2930-2 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2929-2 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 01, 2016
Action Type Old Value New Value Added Reference http://www.debian.org/security/2016/dsa-3503 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2967-1 [No Types Assigned] Added Reference http://www.ubuntu.com/usn/USN-2967-2 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/83378 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 28, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.4:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:C) Added CVSS V3 AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d No Types Assigned https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d Advisory, Patch Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d Advisory, Patch Changed Reference Type http://www.openwall.com/lists/oss-security/2016/01/19/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/01/19/1 Patch Added CWE CWE-362 -
Initial Analysis by [email protected]
Apr. 28, 2016
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 5.1
Base CVSS Score: 4.7
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.02%
score
0.21184
percentile