NVD

CVE-2017-12168 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 6.0 MEDIUM

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 4.9 MEDIUM

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

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=9e3f7a29694049edd728e2400ab57ad7553e5aa9	Issue Tracking Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9	Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11	Release Notes Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11	Release Notes Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1492984	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1492984	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9	Issue Tracking Patch Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-617	Reachable Assertion	NIST Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

CVE Modified by Red Hat, Inc. 2/12/2023 6:27:29 PM

Action	Type	Old Value	New Value
Changed	Description	An assertion failure issue was found in the Linux kernel's KVM hypervisor module built to support visualization on ARM64 architecture platforms. The failure could occur while accessing Performance Monitors Cycle Count Register (PMCCNTR) from a guest. A privileged guest user could use this flaw to crash the host kernel resulting in denial of service.	The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).
Removed	CVSS V3	Red Hat, Inc. AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Removed	CVSS V2	Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:N/A:C)
Added	CWE		Red Hat, Inc. CWE-617
Removed	Reference	https://access.redhat.com/errata/RHEA-2017:3163 [No Types Assigned]
Removed	Reference	https://access.redhat.com/security/cve/CVE-2017-12168 [No Types Assigned]

CVE Modified by Red Hat, Inc. 2/02/2023 4:17:32 PM

Action	Type	Old Value	New Value
Changed	Description	The access_pmu_evcntr function in arch/arm64/kvm/sys_regs.c in the Linux kernel before 4.8.11 allows privileged KVM guest OS users to cause a denial of service (assertion failure and host OS crash) by accessing the Performance Monitors Cycle Count Register (PMCCNTR).	An assertion failure issue was found in the Linux kernel's KVM hypervisor module built to support visualization on ARM64 architecture platforms. The failure could occur while accessing Performance Monitors Cycle Count Register (PMCCNTR) from a guest. A privileged guest user could use this flaw to crash the host kernel resulting in denial of service.
Added	CVSS V3		Red Hat, Inc. AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Added	CVSS V2		Red Hat, Inc. (AV:A/AC:M/Au:S/C:N/I:N/A:C)
Removed	CWE	Red Hat, Inc. CWE-617
Added	Reference		https://access.redhat.com/errata/RHEA-2017:3163 [No Types Assigned]
Added	Reference		https://access.redhat.com/security/cve/CVE-2017-12168 [No Types Assigned]

Initial Analysis by NIST 9/22/2017 10:48:19 AM

Action	Type	Old Value	New Value
Added	CVSS V3		AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Added	CVSS V2		(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Added	CWE		CWE-20
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel:4.8.10::::::: (and previous)
Changed	Reference Type	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9 No Types Assigned	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e3f7a29694049edd728e2400ab57ad7553e5aa9 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11 No Types Assigned	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.11 Release Notes, Vendor Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1492984 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1492984 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9 No Types Assigned	https://github.com/torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9 Issue Tracking, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2017-12168
NVD Published Date:
09/20/2017
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2017-12168 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/20/2024 10:08:58 PM

CVE Modified by Red Hat, Inc. 5/14/2024 12:17:53 AM

Modified Analysis by NIST 1/25/2024 4:36:57 PM

CVE Modified by Red Hat, Inc. 2/12/2023 6:27:29 PM

CVE Modified by Red Hat, Inc. 2/02/2023 4:17:32 PM

CVE Modified by Red Hat, Inc. 10/09/2019 7:22:24 PM

CWE Remap by NIST 10/02/2019 8:03:26 PM

Initial Analysis by NIST 9/22/2017 10:48:19 AM

Quick Info