National Vulnerability Database (NVD) National Vulnerability Database (CVE-2013-1796)

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NVD contains:

CVE Vulnerabilities: 56428
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Last updated: Thu May 23 15:52:55 EDT 2013

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Vulnerability Summary for CVE-2013-1796

Original release date:03/22/2013

Last revised:04/05/2013

Source: US-CERT/NIST

Overview

The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.8 (MEDIUM) (AV:A/AC:H/Au:N/C:C/I:C/A:C) (legend)

Impact Subscore: 10.0

Exploitability Subscore: 3.2

CVSS Version 2 Metrics:

Access Vector: Local network exploitable

Access Complexity: High

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: https://github.com/torvalds/linux/commit/c300aa64ddf57d9c5d9c898a64b36877345dd4a9

Type: Patch Information

Hyperlink:https://github.com/torvalds/linux/commit/c300aa64ddf57d9c5d9c898a64b36877345dd4a9

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c300aa64ddf57d9c5d9c898a64b36877345dd4a9

Type: Patch Information

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c300aa64ddf57d9c5d9c898a64b36877345dd4a9

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=917012

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=917012

External Source: MLIST