CVE ID:	CVE-2012-2119
Description:	Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2012-2119 RHSA-2012:0743 http://rhn.redhat.com/errata/RHSA-2012-0743.html USN-1529-1 http://ubuntu.com/usn/usn-1529-1 [linux-netdev] 20120416 [PATCH 3/6] macvtap: zerocopy: validate vector length before pinning user pages http://marc.info/?l=linux-netdev&m=133455718001608&w=2 [oss-security] 20120419 Re: CVE request -- kernel: macvtap: zerocopy: vector length is not validated before pinning user pages http://www.openwall.com/lists/oss-security/2012/04/19/14 http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278 http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5 https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73 https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73 https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73 https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73 openSUSE-SU-2013:0925 http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html