CVE-2016-4578
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 23 May 2016, 10:00
Last modified:06 Aug 2024, 00:32
Vulnerability Summary
Overall Risk (default)
medium
32/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.17% LOW
0% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
23 May 2016, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 00:32
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.17%• Percentile: 38%
Techniques & Countermeasures
- CWE-200•Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 15.10 | 16.04
- debian•debian_linux
8.0
- linux•linux_kernel
≤ 4.6
- opensuse•leap
42.1
- opensuse•opensuse
13.1
- redhat•enterprise_linux_desktop
7.0
- redhat•enterprise_linux_server
7.0
- redhat•enterprise_linux_server_aus
7.3 | 7.4 | 7.6
- redhat•enterprise_linux_server_eus
7.3 | 7.4 | 7.5 | 7.6
- redhat•enterprise_linux_server_tus
7.3 | 7.6
- redhat•enterprise_linux_workstation
7.0
References (31)
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5
- http://www.ubuntu.com/usn/USN-3017-1
- https://www.exploit-db.com/exploits/46529/
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://www.ubuntu.com/usn/USN-3017-3
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://www.ubuntu.com/usn/USN-3018-2
- https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5
- http://www.ubuntu.com/usn/USN-3021-2
- http://www.ubuntu.com/usn/USN-3017-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1335215
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://www.ubuntu.com/usn/USN-3019-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.securityfocus.com/bid/90535
- http://www.ubuntu.com/usn/USN-3016-2
- http://www.ubuntu.com/usn/USN-3016-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://www.ubuntu.com/usn/USN-3021-1
- http://www.ubuntu.com/usn/USN-3018-1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
- http://www.openwall.com/lists/oss-security/2016/05/11/5
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://www.ubuntu.com/usn/USN-3016-3
- https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
- http://www.ubuntu.com/usn/USN-3016-4
- http://www.ubuntu.com/usn/USN-3020-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html