Race Condition Affecting kernel-bootwrapper package, versions <0:3.10.0-229.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-5021902
- published 26 Jul 2021
- disclosed 9 Oct 2014
Introduced: 9 Oct 2014
CVE-2014-8086 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-229.el7 or higher.
This issue was patched in RHSA-2015:0290.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/70376
- https://bugzilla.redhat.com/show_bug.cgi?id=1151353
- https://access.redhat.com/security/cve/CVE-2014-8086
- https://lkml.org/lkml/2014/10/8/545
- https://lkml.org/lkml/2014/10/9/129
- http://www.openwall.com/lists/oss-security/2014/10/09/25
- http://www.spinics.net/lists/linux-ext4/msg45683.html
- http://www.spinics.net/lists/linux-ext4/msg45685.html
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://rhn.redhat.com/errata/RHSA-2015-0694.html
- https://access.redhat.com/errata/RHSA-2015:0290
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96922