Medium severity · published Oct 13, 2014
CVE-2014-8086
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…
4.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 3.17 · source: NVD
SL
Suse Linux Enterprise Server · Suse
11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-8086
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-8086
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0290.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0694.html
Mailing List
http://www.openwall.com/lists/oss-security/2014/10/09/25
Third Party Advisory
http://www.securityfocus.com/bid/70376
Exploit
http://www.spinics.net/lists/linux-ext4/msg45683.html
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