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CVE-2014-4655

N/A
Published: July 3, 2014 at 01:00 AM UTC
Updated: June 17, 2026 at 12:10 AM UTC
3 products affected across 3 vendorsLinux KernelUbuntu LinuxLinux Enterprise Server

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Severity
N/A
Exploit prediction
EPSS 0.5%

Description

The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
12.04
Linux Kernel· Linux
95%
v < 3.15.2
Affected range stops below 3.15.2, so it looks safe — our inference, not a vendor statement
Linux Enterprise Server· SUSE
95%
10 sp4

References (15)

x_refsource_CONFIRM
Source: [email protected]
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2014-1083.html
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/59434
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/59777
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/60545
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/60564
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2

CVSS

4.9MEDIUM[email protected]
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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