CVE-2014-8086 | BDVDB-2026-64833 Detail
Description#
Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://lkml.org/lkml/2014/10/8/545
- http://www.securityfocus.com/bid/70376
- http://www.spinics.net/lists/linux-ext4/msg45685.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1151353
- http://www.spinics.net/lists/linux-ext4/msg45683.html
- http://rhn.redhat.com/errata/RHSA-2015-0694.html
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96922
- https://lkml.org/lkml/2014/10/9/129
- http://www.openwall.com/lists/oss-security/2014/10/09/25
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.