The rt6_fill_node function in net/ipv6/route.c in Linux kernel 2.6.26-rc4, 2.6.26.2, and possibly other 2.6.26 versions, allows local users to cause a denial of service (kernel OOPS) via IPv6 requests when no IPv6 input device is in use, which triggers a NULL pointer dereference
Published Aug 14, 2008
4.9
MEDIUMCVSS 2.0
EPSS 0.47%
Description
The rt6_fill_node function in net/ipv6/route.c in Linux kernel 2.6.26-rc4, 2.6.26.2, and possibly other 2.6.26 versions, allows local users to cause a denial of service (kernel OOPS) via IPv6 requests when no IPv6 input device is in use, which triggers a NULL pointer dereference.
Affected products
No data.
- 2.6.26
- 2.6.26.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5 or Red Hat Enterprise MRG.
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:L/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.47% (0.00474) | 38.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00474) | 37.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00098) | 24.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (9)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5e0115e500fe9dd2ca11e6f92db9123204f1327a x_refsource_CONFIRM
- http://lkml.org/lkml/2008/8/7/230 mailing-listx_refsource_MLISTExploit
- http://lkml.org/lkml/2008/8/8/7 mailing-listx_refsource_MLISTExploit
- http://secunia.com/advisories/31579 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.vupen.com/english/advisories/2008/2422 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2008-3686 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44605 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-3686
- https://www.cve.org/CVERecord?id=CVE-2008-3686
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5e0115e500fe9dd2ca11e6f92db9123204f1327a | x_refsource_CONFIRM | |
| http://lkml.org/lkml/2008/8/7/230 | mailing-listx_refsource_MLISTExploit | |
| http://lkml.org/lkml/2008/8/8/7 | mailing-listx_refsource_MLISTExploit | |
| http://secunia.com/advisories/31579 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.vupen.com/english/advisories/2008/2422 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2008-3686 | Vendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/44605 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2008-3686 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-3686 |
Change history (0)
No recorded changes yet.