| Vulnerability Name: | CVE-2016-8630 (CCN-119634) |
| Assigned: | 2016-11-02 |
| Published: | 2016-11-02 |
| Updated: | 2023-02-12 |
| Summary: | The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction. |
| CVSS v3 Severity: | 5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
6.2 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
5.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
|
| CVSS v2 Severity: | 4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
5.2 Medium (REDHAT CVSS v2 Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Adjacent_Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-476
|
| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2016-8630
Source: CCN
Type: Linux Kernel GIT Repository
x86: Check memopp before dereference (CVE-2016-8630)
Source: secalert@redhat.com
Type: Issue Tracking, Patch, Vendor Advisory
secalert@redhat.com
Source: CCN
Type: RHSA-2017-0386
Important: kernel security, bug fix, and enhancement update
Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com
Source: CCN
Type: RHSA-2017-0387
Important: kernel-rt security and bug fix update
Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com
Source: secalert@redhat.com
Type: Release Notes
secalert@redhat.com
Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com
Source: CCN
Type: BID-94459
Linux Kernel 'kvm/emulate.c' Null Pointer Dereference Denial of Service Vulnerability
Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com
Source: secalert@redhat.com
Type: Issue Tracking
secalert@redhat.com
Source: XF
Type: UNKNOWN
linux-kernel-cve20168630-dos(119634)
Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com
Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-8630
|
| Vulnerable Configuration: | Configuration RedHat 1:
cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*Configuration RedHat 2:
cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*Configuration RedHat 3:
cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*Configuration RedHat 4:
cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*Configuration RedHat 5:
cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*Configuration RedHat 6:
cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*
Configuration CCN 1:
cpe:/o:linux:linux_kernel:4.8.6:*:*:*:*:*:*:*AND cpe:/o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*OR cpe:/o:redhat:enterprise_linux_hpc_node:7:*:*:*:*:*:*:*OR cpe:/o:redhat:enterprise_linux_server:7:*:*:*:*:*:*:*OR cpe:/o:redhat:enterprise_linux_workstation:7:*:*:*:*:*:*:*OR cpe:/o:redhat:enterprise_linux_for_real_time:7:*:*:*:*:*:*:*OR cpe:/o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
| Oval Definitions |
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