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Fencer Intel
medium 6.1

CVE-2014-2309 json

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 all…

published 12y ago modified 4mo ago also EUVD-2014-2347

cvss
6.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 3.13.6-1

debian advisories DEBIAN-CVE-2014-2309

  • kernel-rt enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-trace enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-vanilla enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-firmware enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 3.10.33-rt32.33.el6rt

red hat advisories RHSA-2014:0439

Is CVE-2014-2309 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-2309 updated cvss 6.1

Kernel: net: IPv6: crash due to router advertisement flooding

  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.33-rt32.33.el6rt, kernel-rt-trace 3.10.33-rt32.33.el6rt, kernel-rt-vanilla 3.10.33-rt32.33.el6rt, kernel-rt-firmware 3.10.33-rt32.33.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.33-rt32.33.el6rt
    fixed: vendor fix RHSA-2014:0439
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • git.kernel.org http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=c88507fbad8055297c1d1e21e599f46960cbee39 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.1 AV:A/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.