National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5412 Detail

Current Description

arch/powerpc/kvm/book3s_hv_rmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIG_KVM_BOOK3S_64_HV is enabled, allows guest OS users to cause a denial of service (host OS infinite loop) by making a H_CEDE hypercall during the existence of a suspended transaction.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 2.0


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:S/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.1


Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=93d17397e4e2182fdaad503e2f9da46202c0f1c3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f024ee098476a3e620232e4a78cfac505f121245
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://www.openwall.com/lists/oss-security/2016/07/28/2 Mailing List
https://bugzilla.redhat.com/show_bug.cgi?id=1349916 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.7


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5412
NVD Published Date:
08/06/2016
NVD Last Modified:
01/04/2018