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CVE-2013-6431
The fib6_add function in net/ipv6/ip6_fib.c in the Linux kernel before 3.11.5 does not properly implement error-code encoding, which…
Medium4.7EPSS 0.43%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The fib6_add function in net/ipv6/ip6_fib.c in the Linux kernel before 3.11.5 does not properly implement error-code encoding, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for an IPv6 SIOCADDRT ioctl call.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.43% · top 62% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Weakness
Affected products
n/a
- affected n/a
References (7)
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1e2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1039054 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20131206 Re: CVE request: Linux kernel: net: fib: fib6_add: potential NULL pointer dereference (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2014:0204 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/torvalds/linux/commit/ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1e2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2014:0100 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2013-6431)Record last updated .