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CVE-2014-4654

4.6 · MEDIUM

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 check authorization for SNDRV_CTL_IOCTL_ELEM_REPLACE commands, wh…

Published Jul 3, 2014linuxCWE-416EPSS 0.50%

Overview

CVE-2014-4654 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 3, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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 check authorization for SNDRV_CTL_IOCTL_ELEM_REPLACE commands, which allows local users to remove kernel controls and cause a denial of service (use-after-free and system crash) by leveraging /dev/snd/controlCX access for an ioctl call.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 0, < 3.15.2Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563Reflists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlRefrhn.redhat.com/errata/RHSA-2014-1083.htmlRefsecunia.com/advisories/59434Refsecunia.com/advisories/59777Refsecunia.com/advisories/60545Refsecunia.com/advisories/60564Refwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Refwww.openwall.com/lists/oss-security/2014/06/26/6Refwww.securityfocus.com/bid/68162

How CyberStrike helps

Frequently asked questions

What is CVE-2014-4654?

CVE-2014-4654 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 3, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2014-4654?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-4654?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-4654?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-4654 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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