CVE-2014-8559
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.
Predictions
Exploit likelihood
55%
Patch ETA
—
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 |
|---|---|---|---|
| debian | bookworm | fixed | 3.16.7-ckt4-1 |
| debian | bullseye | fixed | 3.16.7-ckt4-1 |
| debian | forky | fixed | 3.16.7-ckt4-1 |
| debian | sid | fixed | 3.16.7-ckt4-1 |
| debian | trixie | fixed | 3.16.7-ckt4-1 |
| linux-kernel | affected | | |
| suse | 12.0 | affected | |
| suse | 13.1 | affected | |
| suse | 11 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
References
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2015-1976.html
- http://rhn.redhat.com/errata/RHSA-2015-1978.html
- http://secunia.com/advisories/62801
- http://www.debian.org/security/2015/dsa-3170
- http://www.openwall.com/lists/oss-security/2014/10/30/7
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/70854
- http://www.securitytracker.com/id/1034051
- http://www.ubuntu.com/usn/USN-2492-1
- http://www.ubuntu.com/usn/USN-2493-1
- http://www.ubuntu.com/usn/USN-2515-1
- http://www.ubuntu.com/usn/USN-2516-1
- http://www.ubuntu.com/usn/USN-2517-1
- http://www.ubuntu.com/usn/USN-2518-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1159313
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10
- https://lkml.org/lkml/2014/10/25/171
- https://lkml.org/lkml/2014/10/25/179
CWEs
CWE-400
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.