CVE-2014-4656
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 4.6 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-190 · Integer overflow
- Record status
- Modified
Affected
- Linux Kernel < 3.15.2
- Suse Linux Enterprise Server 10
- Canonical Ubuntu Linux 12.04
- Redhat Enterprise Linux Desktop 6.0
- Redhat Enterprise Linux Eus 6.6
- Redhat Enterprise Linux Server 6.0
- Redhat Enterprise Linux Server Aus 6.6
- Redhat Enterprise Linux Server Tus 6.6
Attack profile CVSS 2.0 · 4.6
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2014-4656.md and follow it. Check whether this project is affected by CVE-2014-4656. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e
- https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e
- https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://rhn.redhat.com/errata/RHSA-2014-1083.html
- http://rhn.redhat.com/errata/RHSA-2015-0087.html
- http://secunia.com/advisories/59434
- http://secunia.com/advisories/59777
- http://secunia.com/advisories/60545
- http://secunia.com/advisories/60564
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- http://www.openwall.com/lists/oss-security/2014/06/26/6
- http://www.securitytracker.com/id/1038201
- http://www.ubuntu.com/usn/USN-2334-1
- http://www.ubuntu.com/usn/USN-2335-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1113470
- https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e
- https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd
- https://source.android.com/security/bulletin/2017-04-01
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://rhn.redhat.com/errata/RHSA-2014-1083.html
- http://rhn.redhat.com/errata/RHSA-2015-0087.html
- http://secunia.com/advisories/59434
- http://secunia.com/advisories/59777