CVE-2014-4654
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 10 | affected | |
| linux-kernel | affected | 3.15.2 | |
| debian | bookworm | fixed | 3.14.9-1 |
| debian | bullseye | fixed | 3.14.9-1 |
| debian | forky | fixed | 3.14.9-1 |
| debian | sid | fixed | 3.14.9-1 |
| debian | trixie | fixed | 3.14.9-1 |
| ubuntu | 12.04 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://rhn.redhat.com/errata/RHSA-2014-1083.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.securityfocus.com/bid/68162
- http://www.ubuntu.com/usn/USN-2334-1
- http://www.ubuntu.com/usn/USN-2335-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1113445
- https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563
- https://security-tracker.debian.org/tracker/CVE-2014-4654
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.