kernel: sound: linked lists of slave instances not unlinked immediately
Published Apr 27, 2016
6.2
MEDIUMCVSS 3.0
EPSS 0.45%
Description
sound/core/timer.c in the Linux kernel before 4.4.1 retains certain linked lists after a close or stop action, which allows local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions.
Affected products
No data.
- ≤ 4.4
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This flaw was found to be a duplicate of CVE-2016-2547. Please see https://access.redhat.com/security/cve/CVE-2016-2547 for information about affected products and security errata.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.45% (0.00451) | 36.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.45% (0.00451) | 35.64th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00106) | 26.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00179) | 56.45th | v3 (v2023.03.01) |
| Nov 10, 2023 | 0.18% (0.00179) | 54.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00126) | 45.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (24)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d x_refsource_CONFIRMVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://seclists.org/oss-sec/2016/q1/133
- http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/01/19/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/83383 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035306 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2929-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2929-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-3 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2931-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2932-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2967-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2967-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-2548 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1311568 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-2548
- https://www.cve.org/CVERecord?id=CVE-2016-2548
Change history (0)
No recorded changes yet.