Vulnerability Monitor

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CVE-2014-0049

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.

Published

2014-03-11T13:01:06.060

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.4 (HIGH)

CVSSv2 Vector

AV:A/AC:M/Au:S/C:C/I:C/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

4.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 3.13.6	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b ([email protected])
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6 Release Notes, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2014/03/03/1 Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1062368 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/03/03/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1062368 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)