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CVE-2016-5412

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Date: August 6, 2016

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.

Language: C

Severity Score

Related Resources (11)

https://github.com/torvalds/linux/commit/f024ee098476a3e620232e4a78cfac505f121245
https://nvd.nist.gov/vuln/detail/CVE-2016-5412
http://rhn.redhat.com/errata/RHSA-2016-2574.html
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
https://access.redhat.com/security/cve/CVE-2016-5412
https://bugzilla.redhat.com/show_bug.cgi?id=1349916
https://github.com/torvalds/linux/commit/93d17397e4e2182fdaad503e2f9da46202c0f1c3
http://www.openwall.com/lists/oss-security/2016/07/28/2
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-5412
https://www.mend.io/vulnerability-database/CVE-2016-5412

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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