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CVE-2014-0049

Date: March 10, 2014

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.

Language: C

Severity Score

Related Resources (8)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b
https://nvd.nist.gov/vuln/detail/CVE-2014-0049
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-0049
https://bugzilla.redhat.com/show_bug.cgi?id=1062368
http://www.openwall.com/lists/oss-security/2014/03/03/1
https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b
https://www.mend.io/vulnerability-database/CVE-2014-0049

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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