CVE-2017-12168
CVSS V2 Medium 4.9
CVSS V3 Medium 6
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).
Overview
- CVE ID
- CVE-2017-12168
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2017-09-20T08:29:00
- Last Modified Date
- 2023-02-12T23:27:29
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.8.10 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 4.9
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6
- Base Severity
- MEDIUM
- Exploitability Score
- 1.5
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
| https://access.redhat.com/errata/RHEA-2017:3163 | |
| https://access.redhat.com/security/cve/CVE-2017-12168 | |
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-12168 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12168 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:12:28 | Added to TrackCVE | |||
| 2022-12-02 21:11:37 | 2017-09-20T08:29Z | 2017-09-20T08:29:00 | CVE Published Date | updated |
| 2022-12-02 21:11:37 | 2019-10-09T23:22:24 | CVE Modified Date | updated | |
| 2022-12-02 21:11:38 | Modified | Vulnerability Status | updated | |
| 2023-02-02 22:07:23 | 2023-02-02T21:17:31 | CVE Modified Date | updated | |
| 2023-02-02 22:07:24 | 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. | Description | updated |
| 2023-02-02 22:07:26 | References | updated | ||
| 2023-02-13 01:07:11 | 2023-02-12T23:27:29 | CVE Modified Date | updated | |
| 2023-02-13 01:07:12 | 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). | Description | updated |