Information disclosure in Linux Kernel
CVE-2016-4569
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (56.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Linux Kernel
- Novell SUSE Linux Enterprise Debuginfo — versions 11.0
- Novell SUSE Linux Enterprise Desktop — versions 12.0
- Novell SUSE Linux Enterprise Live Patching — versions 12.0
- Novell SUSE Linux Enterprise Module For Public Cloud — versions 12.0
- Novell SUSE Linux Enterprise Real Time Extension — versions 12.0
- Novell SUSE Linux Enterprise Server — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 11.0, 12.0
- Novell SUSE Linux Enterprise Workstation Extension — versions 12.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-1 (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/05/09/17 (mailing-list)
- www.ubuntu.com/usn/USN-3017-3 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html (vendor-advisory)
- www.ubuntu.com/usn/USN-3018-2 (vendor-advisory)
- www.ubuntu.com/usn/USN-3021-2 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4569?
- CVE-2016-4569 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2016-05-23.
- How severe is CVE-2016-4569?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-4569 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.