CVE-2014-7283

Public Exploit

Description

The xfs_da3_fixhashpath function in fs/xfs/xfs_da_btree.c in the xfs implementation in the Linux kernel before 3.14.2 does not properly compare btree hash values, which allows local users to cause a denial of service (filesystem corruption, and OOPS or panic) via operations on directories that have hash collisions, as demonstrated by rmdir operations.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/70261 vdb entry third party advisory
https://github.com/torvalds/linux/commit/c88547a8119e3b581318ab65e9b72f27f23e641d exploit third party advisory patch
http://marc.info/?l=linux-xfs&m=139590613002926&w=2 mailing list exploit third party advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.2 release notes vendor advisory
http://www.openwall.com/lists/oss-security/2014/10/01/29 third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2014-1943.html third party advisory vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c88547a8119e3b581318ab65e9b72f27f23e641d
https://bugzilla.redhat.com/show_bug.cgi?id=1148777 issue tracking patch exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2014-7283?
CVE-2014-7283 has been scored as a medium severity vulnerability.
How to fix CVE-2014-7283?
To fix CVE-2014-7283, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-7283 being actively exploited in the wild?
It is possible that CVE-2014-7283 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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