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Last updated: 7/24/2014 3:22:21 PM

CVE Publication rate: 19.6

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Vulnerability Summary for CVE-2013-1796

Original release date: 03/22/2013
Last revised: 01/27/2014
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: REDHAT
Name: RHSA-2013:0744
External Source: UBUNTU
Name: USN-1809-1
External Source: UBUNTU
Name: USN-1805-1
External Source: REDHAT
Name: RHSA-2013:0928
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c300aa64ddf57d9c5d9c898a64b36877345dd4a9
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=917012
External Source: SUSE
Name: openSUSE-SU-2013:0847
External Source: UBUNTU
Name: USN-1813-1
External Source: UBUNTU
Name: USN-1812-1
External Source: REDHAT
Name: RHSA-2013:0727
External Source: CONFIRM
Name: https://github.com/torvalds/linux/commit/c300aa64ddf57d9c5d9c898a64b36877345dd4a9
Type: Patch Information
External Source: SUSE
Name: openSUSE-SU-2013:1187
External Source: REDHAT
Name: RHSA-2013:0746
External Source: REDHAT
Name: RHSA-2013:1026
External Source: SUSE
Name: openSUSE-SU-2013:0925
External Source: UBUNTU
Name: USN-1808-1
External Source: MANDRIVA
Name: MDVSA-2013:176
External Source: MLIST
Name: [oss-security] 20130320 linux kernel: kvm: CVE-2013-179[6..8]

Technical Details

Vulnerability Type (View All)