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CVE-2014-4655Date: (C)2014-07-03   (M)2024-03-26


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.9
Exploit Score: 3.9
Impact Score: 6.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE
  
Reference:
SECTRACK-1036763
SECUNIA-59434
SECUNIA-59777
SECUNIA-60545
SECUNIA-60564
BID-68162
RHSA-2014:1083
SUSE-SU-2015:0812
USN-2334-1
USN-2335-1
http://www.openwall.com/lists/oss-security/2014/06/26/6
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
https://bugzilla.redhat.com/show_bug.cgi?id=1113445
https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563

CPE    2
cpe:/o:canonical:ubuntu_linux:12.04::~~esm~~~
cpe:/o:linux:linux_kernel
CWE    1
CWE-190
OVAL    19
oval:org.secpod.oval:def:702197
oval:org.secpod.oval:def:702196
oval:org.secpod.oval:def:702195
oval:org.secpod.oval:def:702194
...

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