Vulnerability Name:

CVE-2010-4247 (CCN-63527)

Assigned:2008-01-18
Published:2008-01-18
Updated:2023-02-13
Summary:The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers.
Note: some of these details are obtained from third party information.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C)
4.1 Medium (Temporal CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.5 Medium (REDHAT CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C)
4.1 Medium (REDHAT Temporal CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2010-4247

Source: CCN
Type: RHSA-2011-0004
Important: kernel security, bug fix, and enhancement update

Source: CCN
Type: SA35093
Xen "hypervisor_callback()" Denial of Service

Source: CCN
Type: SA46397
VMware ESX / ESXi Server Multiple Vulnerabilities

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

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

Source: CCN
Type: OSVDB ID: 70380
Linux Kernel Xen x do_block_io_op Function Production Request Index DoS

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

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

Source: CCN
Type: BID-45029
Xen 'drivers/xen/blkback/blkback.c' Local Denial Of Service Vulnerability

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

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

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

Source: CCN
Type: XenSource Web Site
Xen

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

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

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

Source: XF
Type: UNKNOWN
xen-blkback-dos(63527)

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xensource:xen:3.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:3.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:3.0:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:13824
    P
    		USN-1170-1 -- linux vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:23232
    P
    		ELSA-2011:0004: kernel security, bug fix, and enhancement update (Important)
    2014-05-26
    oval:org.mitre.oval:def:21680
    P
    		RHSA-2011:0004: kernel security, bug fix, and enhancement update (Important)
    2014-02-24
    oval:org.mitre.oval:def:20468
    V
    		VMware ESX third party updates for Service Console packages glibc and dhcp
    2014-01-20
    oval:com.redhat.rhsa:def:20110004
    P
    		RHSA-2011:0004: kernel security, bug fix, and enhancement update (Important)
    2011-01-04
    BACK
    xensource xen 3.0.3
    xensource xen 3.1.2
    xensource xen 3.0
    redhat enterprise linux 5
    redhat enterprise linux 5