Kernel: ALSA: control: protect user controls against races & memory disclosure
Published Jul 3, 2014
1.9
LOWCVSS 2.0
EPSS 0.34%
Description
Race condition in the tlv handler functionality in the snd_ctl_elem_user_tlv function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allows local users to obtain sensitive information from kernel memory by leveraging /dev/snd/controlCX access.
Affected products
No data.
Configuration 1
- < 3.15.2
Configuration 2
- 10
Configuration 3
- 12.04
Configuration 4
- 6.0
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-573.el6
Fixed · RHSA-2015:1272
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-0:2.6.32-573.el6 | Fixed | RHSA-2015:1272 |
| 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
No remediation recorded yet.
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:M/Au:N/C:P/I:N/A:N
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 | 0.34% (0.00335) | 24.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00335) | 25.11th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00051) | 12.95th | 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 (18)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=07f4d9d74a04aa7c72c5dae0ef97565f28f17b92 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-2015-1272.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.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-2014-4652 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1113406 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/94412 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/07f4d9d74a04aa7c72c5dae0ef97565f28f17b92 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-4652
- https://www.cve.org/CVERecord?id=CVE-2014-4652
Change history (0)
No recorded changes yet.