Vulnerability Name:

CVE-2007-5498 (CCN-42274)

Assigned:2007-10-17
Published:2008-04-22
Updated:2017-09-29
Summary:The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service (host OS crash) via a request that specifies a large number of blocks.
CVSS v3 Severity:2.8 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC: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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
1.3 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2007-5498

Source: CCN
Type: Red Hat Bugzilla Bug 369531
CVE-2007-5498 missing sanity check in xen block backend driver

Source: CCN
Type: RHSA-2008-0233
Important: kernel security and bug fix update

Source: SECUNIA
Type: UNKNOWN
30116

Source: SECUNIA
Type: UNKNOWN
32918

Source: CCN
Type: The Linux Kernel Archives Web site
The Linux Kernel Archives

Source: REDHAT
Type: UNKNOWN
RHSA-2008:0233

Source: BID
Type: UNKNOWN
29082

Source: CCN
Type: BID-29082
Linux Kernel '/include/xen/blkif.h' 32-on-64 Support Denial Of Service Vulnerability

Source: CCN
Type: USN-679-1
Linux kernel vulnerabilities

Source: UBUNTU
Type: UNKNOWN
USN-679-1

Source: MISC
Type: Patch
https://bugzilla.redhat.com/show_bug.cgi?id=369531

Source: XF
Type: UNKNOWN
linux-kernel-xen-hypervisor-dos(42274)

Source: XF
Type: UNKNOWN
linux-kernel-xen-hypervisor-dos(42274)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:9452

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:2.6.18:-:*:*:*:*:*:*

    • 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:/o:linux:linux_kernel:2.6.18.1:*:*:*:*:*:*:*
  • AND
  • cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:server:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.10:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:8.04::lts:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:17954
    P
    		USN-679-1 -- linux, linux-source-2.6.15/22 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:21800
    P
    		ELSA-2008:0233: kernel security and bug fix update (Important)
    2014-05-26
    oval:org.mitre.oval:def:9452
    V
    		The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service (host OS crash) via a request that specifies a large number of blocks.
    2013-04-29
    oval:com.redhat.rhsa:def:20080233
    P
    		RHSA-2008:0233: kernel security and bug fix update (Important)
    2008-05-07
    BACK
    linux linux kernel 2.6.18
    linux linux kernel 2.6.18.1
    canonical ubuntu 6.06
    redhat enterprise linux desktop 5.0
    redhat enterprise linux 5
    redhat enterprise linux 5
    redhat enterprise linux 5
    canonical ubuntu 7.10
    canonical ubuntu 8.04