CVE-2014-2309 Denial of service in n/a

What is CVE-2014-2309?

CVE-2014-2309 is a medium-severity denial of service vulnerability in Linux kernel, published on 11 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-119

Which versions are affected by CVE-2014-2309?

It affects 3 products.

Products include Linux kernel, Opensuse Opensuse, Suse Linux Enterprise Server.

How do I fix CVE-2014-2309?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-2309 being exploited?

There is no known exploitation of CVE-2014-2309 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-2309, GHSA-fp4w-gxwf-rr44.