CVE-2014-8559

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• 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