CVE-2014-0049

HIGH

Description

Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86.c in the Linux kernel before 3.13.6 allows guest OS users to execute arbitrary code on the host OS by leveraging a loop that triggers an invalid memory copy affecting certain cancel_work_item data.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a08d3b3b99efd509133946056531cdf8f3a0c09b

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6

http://www.openwall.com/lists/oss-security/2014/03/03/1

https://bugzilla.redhat.com/show_bug.cgi?id=1062368

https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b

Details

Source: MITRE

Published: 2014-03-11

Updated: 2014-03-11

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 7.4

Vector: (AV:A/AC:M/Au:S/C:C/I:C/A:C)

Impact Score: 10

Exploitability Score: 4.4

Severity: HIGH