CVE-2016-4578
Mediumsound/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 3.0 score
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-200CVE-2016-4578 is a Information Exposure vulnerability
What is Information Exposure?
The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2016-4578 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Debian Securityhttp://www.debian.org/security/2016/dsa-3607Third Party Advisory
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Mailing List
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Securityfocushttp://www.securityfocus.com/bid/90535Third Party Advisory VDB Entry
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3016-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3016-2Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3016-3Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3016-4Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3017-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3017-2Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3017-3Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3018-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3018-2Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3019-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3020-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3021-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-3021-2Third Party Advisory
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Issue Tracking Third Party Advisory VDB Entry
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Exploit-DBhttps://www.exploit-db.com/exploits/46529/Exploit Third Party Advisory VDB Entry
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
Frequently asked questions
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What is CVE-2016-4578?
CVE-2016-4578 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2016-4578 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2016-4578?
CVE-2016-4578 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2016-4578?
No patch is currently available for CVE-2016-4578. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2016-4578 actively exploited?
No — CVE-2016-4578 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Information Exposure (CWE-200)?
The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →