CVE-2014-1739
Description
The media_device_enum_entities function in drivers/media/media-device.c in the Linux kernel before 3.14.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory by leveraging /dev/media0 read access for a MEDIA_IOC_ENUM_ENTITIES 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.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux Kernel 3.3.5 - '/drivers/media/media-device.c' Local Information Disclosure
OS impact
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 3.14.6 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 11 | Affected | — |
Ubuntu Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 13.10 | Affected | — |
| 12.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.14.7-1 |
| sid | Fixed | 3.14.7-1 |
| forky | Fixed | 3.14.7-1 |
| bullseye | Fixed | 3.14.7-1 |
| bookworm | Fixed | 3.14.7-1 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6a623460e5fc960ac3ee9f946d3106233fd28d8
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://secunia.com/advisories/59597
- http://speirofr.appspot.com/cve-2014-1739-kernel-infoleak-vulnerability-in-media_enum_entities.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.6
- http://www.openwall.com/lists/oss-security/2014/06/15/1
- http://www.securityfocus.com/bid/68048
- http://www.securitytracker.com/id/1038201
- http://www.ubuntu.com/usn/USN-2259-1
- http://www.ubuntu.com/usn/USN-2261-1
- http://www.ubuntu.com/usn/USN-2263-1
- http://www.ubuntu.com/usn/USN-2264-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1109774
- https://github.com/torvalds/linux/commit/e6a623460e5fc960ac3ee9f946d3106233fd28d8
- https://source.android.com/security/bulletin/2017-04-01
- https://security-tracker.debian.org/tracker/CVE-2014-1739
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.