Resource management error in Linux kernel - CVE-2014-7283

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Main Vulnerability Database Vulnerabilities #VU41224

Resource management error in Linux kernel - CVE-2014-7283

Published: October 13, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU41224
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-7283
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.


Affected software

Linux kernel
Ubuntu
linux-lts-saucy (Ubuntu package)
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)

How to mitigate CVE-2014-7283

Install update from vendor's website.

Linux kernel - update to 3.14.2
linux-lts-saucy (Ubuntu package) - update to 3.11.0-23.40~precise1
linux (Ubuntu package) - update to 3.13.0-27.50
linux-lts-trusty (Ubuntu package) - update to 3.13.0-30.54~precise2

External References

Related Security Bulletins