Vulnerability CVE-2014-0049

Vulnerability Name:

CVE-2014-0049 (CCN-91492)

Assigned:

2013-12-03

Published:

2014-02-27

Updated:

2023-02-13

Summary:

Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by an error in the complete_emulated_mmio() function within the KVM subsystem. A local attacker could exploit this vulnerability to corrupt memory and gain elevated privileges on the system.

CVSS v3 Severity:

9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

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): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

7.4 High (CVSS v2 Vector: AV:A/AC:M/Au:S/C:C/I:C/A:C)
5.4 Medium (Temporal CVSS v2 Vector: AV:A/AC:M/Au:S/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Adjacent_Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2014-0049

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: SA57213
KVM "complete_emulated_mmio()" Memory Corruption Vulnerability

Source: CCN
Type: SA57216
Linux Kernel "complete_emulated_mmio()" Memory Corruption Vulnerability

Source: secalert@redhat.com
Type: Release Notes, Vendor Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: BID-65909
Linux Kernel 'complete_emulated_mmio()' Function Privilege Escalation Vulnerability

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve20140049-priv-esc(91492)

Source: CCN
Type: Linux Kernel GIT Repository
kvm: x86: fix emulator buffer overflow (CVE-2014-0049)

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:linux:linux_kernel:3.10:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:3.12:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:3.13:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.mitre.oval:def:26365	P	ELSA-2014-3034 -- Unbreakable Enterprise kernel security update (important)	2015-03-16
oval:org.mitre.oval:def:24637	P	USN-2176-1 -- linux-lts-raring vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24461	P	USN-2179-1 -- linux vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24554	P	USN-2180-1 -- linux-ti-omap4 vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24864	P	USN-2177-1 -- linux-lts-saucy vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24576	P	USN-2181-1 -- linux-ti-omap4 vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24238	P	USN-2175-1 -- linux-lts-quantal vulnerabilities	2014-07-21
oval:org.mitre.oval:def:24826	P	USN-2178-1 -- linux vulnerabilities	2014-07-07
oval:com.ubuntu.precise:def:20140049000	V	CVE-2014-0049 on Ubuntu 12.04 LTS (precise) - medium.	2014-03-11
oval:com.ubuntu.xenial:def:201400490000000	V	CVE-2014-0049 on Ubuntu 16.04 LTS (xenial) - medium.	2014-03-11
oval:com.ubuntu.trusty:def:20140049000	V	CVE-2014-0049 on Ubuntu 14.04 LTS (trusty) - medium.	2014-03-11
oval:com.ubuntu.xenial:def:20140049000	V	CVE-2014-0049 on Ubuntu 16.04 LTS (xenial) - medium.	2014-03-11

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