CVE-2016-4578 is a local information disclosure vulnerability in the Linux kernel's ALSA timer interface, specifically affecting versions through 4.6, including distributions like Canonical, Debian, and Red Hat. It allows a local attacker to obtain sensitive information from kernel stack memory due to uninitialized data structures in sound/core/timer.c. With a CVSS score of 5.5 (Medium), this vulnerability has a low attack complexity and requires local user privileges, but can lead to high confidentiality impact. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an ExploitDB entry exists for a kernel pointer leak on Ubuntu 16.04, indicating proof-of-concept code is publicly available. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
15.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.