Vulnerability Description
The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.19.5 |
| Fedoraproject | Fedora | 20 |
| Oracle | Linux | 5.0 |
| Oracle | Solaris | 11.3 |
| Redhat | Enterprise Mrg | 2.5 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2015-1221.html
- http://rhn.redhat.com/errata/RHSA-2015-1534.html
- http://rhn.redhat.com/errata/RHSA-2015-1564.htmlThird Party Advisory
- http://www.debian.org/security/2015/dsa-3237Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6ExploitVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/04/04/2Exploit
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.hThird Party Advisory
FAQ
What is CVE-2015-2922?
CVE-2015-2922 is a vulnerability with a CVSS score of 3.3 (LOW). The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigur...
How severe is CVE-2015-2922?
CVE-2015-2922 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2922?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Oracle Linux, Oracle Solaris, Redhat Enterprise Mrg.