The Linux kernel before 3.12, when UDP Fragmentation Offload (UFO)...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c547dbf55d5f8cf615ccc0e7265e98db27d3fb8b
- http://www.openwall.com/lists/oss-security/2013/10/25/5
- http://www.ubuntu.com/usn/USN-2043-1
- http://www.ubuntu.com/usn/USN-2073-1
- http://www.ubuntu.com/usn/USN-2040-1
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2
- http://www.ubuntu.com/usn/USN-2069-1
- http://www.ubuntu.com/usn/USN-2044-1
- http://rhn.redhat.com/errata/RHSA-2013-1801.html
- http://www.ubuntu.com/usn/USN-2066-1
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1023477
- https://github.com/torvalds/linux/commit/c547dbf55d5f8cf615ccc0e7265e98db27d3fb8b
- http://www.ubuntu.com/usn/USN-2049-1
- http://rhn.redhat.com/errata/RHSA-2014-0284.html
- http://www.securityfocus.com/bid/63359
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e93b7d748be887cd7639b113ba7d7ef792a7efb9
- http://www.ubuntu.com/usn/USN-2050-1
- http://www.ubuntu.com/usn/USN-2042-1
- https://github.com/torvalds/linux/commit/e93b7d748be887cd7639b113ba7d7ef792a7efb9
- http://rhn.redhat.com/errata/RHSA-2014-0100.html
- http://www.ubuntu.com/usn/USN-2067-1
- http://www.ubuntu.com/usn/USN-2046-1
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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