CVE-2016-4578
MEDIUM severity · CVSS 5.5 · Information disclosure
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlAdvisory