Vulnerability Description
The Linux kernel before 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly initialize certain data structures, which allows local users to cause a denial of service (memory corruption and system crash) or possibly gain privileges via a crafted application that uses the UDP_CORK option in a setsockopt system call and sends both short and long packets, related to the ip_ufo_append_data function in net/ipv4/ip_output.c and the ip6_ufo_append_data function in net/ipv6/ip6_output.c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.11.7 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html
- http://rhn.redhat.com/errata/RHSA-2013-1801.html
- http://rhn.redhat.com/errata/RHSA-2014-0100.html
- http://rhn.redhat.com/errata/RHSA-2014-0284.html
- http://www.openwall.com/lists/oss-security/2013/10/25/5Patch
- http://www.securityfocus.com/bid/63359
- http://www.ubuntu.com/usn/USN-2040-1
- http://www.ubuntu.com/usn/USN-2042-1
- http://www.ubuntu.com/usn/USN-2043-1
- http://www.ubuntu.com/usn/USN-2044-1
- http://www.ubuntu.com/usn/USN-2046-1
- http://www.ubuntu.com/usn/USN-2049-1
- http://www.ubuntu.com/usn/USN-2050-1
FAQ
What is CVE-2013-4470?
CVE-2013-4470 is a vulnerability with a CVSS score of 6.9 (MEDIUM). The Linux kernel before 3.12, when UDP Fragmentation Offload (UFO) is enabled, does not properly initialize certain data structures, which allows local users to cause a denial of service (memory corru...
How severe is CVE-2013-4470?
CVE-2013-4470 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4470?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.