Resource management error in Linux kernel - CVE-2014-7283
Published: October 13, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41224
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2014-7283
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2014-7283
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c88547a8119e3b581318ab65e9b72f27f23e641d
- http://marc.info/?l=linux-xfs&m=139590613002926&w=2
- http://rhn.redhat.com/errata/RHSA-2014-1943.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.2
- http://www.openwall.com/lists/oss-security/2014/10/01/29
- http://www.securityfocus.com/bid/70261
- https://bugzilla.redhat.com/show_bug.cgi?id=1148777
- https://github.com/torvalds/linux/commit/c88547a8119e3b581318ab65e9b72f27f23e641d