Vulnerability Description
The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly have unspecified other impact via a crafted application that makes socket, connect, and writev system calls, related to net/ipv6/netfilter/nf_conntrack_reasm.c and net/ipv6/netfilter/nf_defrag_ipv6_hooks.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.8.15 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b57daPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/01/10Mailing List
- http://www.securityfocus.com/bid/94626
- https://bugzilla.redhat.com/show_bug.cgi?id=1400904Issue Tracking
- https://github.com/torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777f
- https://groups.google.com/forum/#%21topic/syzkaller/GFbGpX7nTEo
- https://www.spinics.net/lists/netdev/msg407525.htmlMailing ListPatch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b57daPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/01/10Mailing List
- http://www.securityfocus.com/bid/94626
- https://bugzilla.redhat.com/show_bug.cgi?id=1400904Issue Tracking
- https://github.com/torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777f
- https://groups.google.com/forum/#%21topic/syzkaller/GFbGpX7nTEo
- https://www.spinics.net/lists/netdev/msg407525.htmlMailing ListPatch
FAQ
What is CVE-2016-9755?
CVE-2016-9755 is a vulnerability with a CVSS score of 7.8 (HIGH). The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly ha...
How severe is CVE-2016-9755?
CVE-2016-9755 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9755?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.