Vulnerability CVE-2014-0077
Published: 2014-04-14   Modified: 2014-04-15

Description:
drivers/vhost/net.c in the Linux kernel before 3.13.10, when mergeable buffers are disabled, does not properly validate packet lengths, which allows guest OS users to cause a denial of service (memory corruption and host OS crash) or possibly gain privileges on the host OS via crafted packets, related to the handle_rx and get_rx_bufs functions.

CVSS2 => (AV:A/AC:H/Au:S/C:P/I:P/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
8.5/10
2.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
High
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d8316f3991d207fe32881a9ac20241be8fa2bad0
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.10
http://www.securityfocus.com/bid/66678
https://bugzilla.redhat.com/show_bug.cgi?id=1064440
https://github.com/torvalds/linux/commit/d8316f3991d207fe32881a9ac20241be8fa2bad0
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