Information disclosure in Linux Kernel
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.
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: 0.012 (67.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- Debian Linux — versions 8.0
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.1
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.3, 7.4, 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.3, 7.4, 7.5
- Red Hat Enterprise Linux Server Tus — versions 7.3, 7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
- www.ubuntu.com/usn/USN-3017-1 (vendor-advisory, Third Party Advisory)
- www.exploit-db.com/exploits/46529/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-3 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3018-2 (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5 (Vendor Advisory)
- www.ubuntu.com/usn/USN-3021-2 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4578?
- CVE-2016-4578 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-2016-4578?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-4578 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.