Published: 11/03/2014 Updated: 13/02/2023

CVSS v2 Base Score: 7.4 | Impact Score: 10 | Exploitability Score: 4.4

VMScore: 660

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

Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86.c in the Linux kernel prior to 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.

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linux linux kernel

Several security issues were fixed in the kernel ...

Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86c in the Linux kernel before 3136 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 ...

CWE-120 https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b http://www.openwall.com/lists/oss-security/2014/03/03/1 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6 https://bugzilla.redhat.com/show_bug.cgi?id=1062368 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b https://nvd.nist.gov https://usn.ubuntu.com/2181-1/https://access.redhat.com/security/cve/cve-2014-0049

CVE-2014-0049

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