Kernel: ALSA: control: integer overflow in id.index & id.numid
Published Jul 3, 2014
4.6
MEDIUMCVSS 2.0
EPSS 0.50%
Description
Multiple integer overflows in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allow local users to cause a denial of service by leveraging /dev/snd/controlCX access, related to (1) index values in the snd_ctl_add function and (2) numid values in the snd_ctl_remove_numid_conflict function.
Affected products
No data.
Configuration 1
- < 3.15.2
Configuration 2
- 10
Configuration 3
- 12.04
Configuration 4
- 6.0
- 6.6
- 6.0
- 6.6
- 6.6
- 6.0
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-504.8.1.el6
Fixed · RHSA-2015:0087
Red Hat Enterprise Linux 7
kernel-0:3.10.0-123.13.1.el7
Fixed · RHSA-2014:1971
Red Hat Enterprise MRG 2
kernel-rt-0:3.10.33-rt32.45.el6rt
Fixed · RHSA-2014:1083
Red Hat Enterprise Linux 5
kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-504.8.1.el6 | Fixed | RHSA-2015:0087 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-123.13.1.el7 | Fixed | RHSA-2014:1971 |
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.10.33-rt32.45.el6rt | Fixed | RHSA-2014:1083 |
| Red Hat Enterprise Linux 5 | kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5 may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:P/A:P
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.50% (0.00500) | 40.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00500) | 38.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (21)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-1083.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0087.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://secunia.com/advisories/59434 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/59777 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/60545 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/60564 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2014/06/26/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securitytracker.com/id/1038201 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2334-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2335-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-4656 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1113470 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-4656
- https://source.android.com/security/bulletin/2017-04-01 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2014-4656
Change history (0)
No recorded changes yet.