Input validation error in Linux kernel - CVE-2014-2309
Published: March 11, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41948
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-2309
CWE-ID: CWE-20
Exploitation vector: Adjecent network
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 ip6_route_add function in net/ipv6/route.c in the Linux kernel through 3.13.6 does not properly count the addition of routes, which allows remote attackers to cause a denial of service (memory consumption) via a flood of ICMPv6 Router Advertisement packets.
How to mitigate CVE-2014-2309
Install update from vendor's website.
Sources
- http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=c88507fbad8055297c1d1e21e599f46960cbee39
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://secunia.com/advisories/57250
- http://www.openwall.com/lists/oss-security/2014/03/08/1
- http://www.securityfocus.com/bid/66095
- http://www.securitytracker.com/id/1029894