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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…
Medium5.5EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (31)
- SUSE-SU-2016:1690 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3017-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 46529 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- SUSE-SU-2016:1985 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3017-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2016:2184 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3018-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3021-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3017-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1335215 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2584 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2016:2574 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3019-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2016:1641 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-3607 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 90535 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-3016-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3016-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:1672 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3021-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3018-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160511 Re: CVE Request: alsa: kernel information leak vulnerability in Linux sound/core/timer (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SUSE-SU-2016:2105 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-3016-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3016-4 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3020-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SU-2016:1937 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2016-4578)Record last updated .