Kernel: net: IPv6: crash due to router advertisement flooding
Published Mar 11, 2014
6.1
MEDIUMCVSS 2.0
EPSS 2.43%
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.
Affected products
No data.
Configuration 1
- ≤ 3.13.6
Configuration 2
- 11.4
- 11
- 11
No data.
Red Hat Enterprise MRG 2
kernel-rt-0:3.10.33-rt32.33.el6rt
Fixed · RHSA-2014:0439
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.10.33-rt32.33.el6rt | Fixed | RHSA-2014:0439 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.43% (0.02426) | 83.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.41% (0.02406) | 81.86th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.97% (0.00965) | 74.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.13% (0.03128) | 77.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.73% (0.00731) | 71.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.80% (0.01804) | 88.63th | v3 (v2023.03.01) |
| Sep 4, 2023 | 1.53% (0.01527) | 85.45th | v3 (v2023.03.01) |
| May 25, 2023 | 1.52% (0.01517) | 85.06th | v3 (v2023.03.01) |
| Apr 4, 2023 | 1.68% (0.01678) | 85.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.58% (0.01581) | 85.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (11)
- http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=c88507fbad8055297c1d1e21e599f46960cbee39 x_refsource_CONFIRMExploitPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/57250 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/03/08/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/66095 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1029894 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2014-2309 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1074471 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-2309
- https://www.cve.org/CVERecord?id=CVE-2014-2309
Change history (0)
No recorded changes yet.