Input validation error in Linux kernel - CVE-2014-2039
Published: February 28, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41991
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-2014-2039
CWE-ID: CWE-20
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.
arch/s390/kernel/head64.S in the Linux kernel before 3.13.5 on the s390 platform does not properly handle attempted use of the linkage stack, which allows local users to cause a denial of service (system crash) by executing a crafted instruction.
How to mitigate CVE-2014-2039
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8d7f6690cedb83456edd41c9bd583783f0703bf0
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- http://secunia.com/advisories/59262
- http://secunia.com/advisories/59309
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.5
- http://www.openwall.com/lists/oss-security/2014/02/20/14
- http://www.securityfocus.com/bid/65700
- https://bugzilla.redhat.com/show_bug.cgi?id=1067558
- https://github.com/torvalds/linux/commit/8d7f6690cedb83456edd41c9bd583783f0703bf0