Published: 08/05/2008 Updated: 29/09/2017

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

VMScore: 436

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

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.

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linux linux kernel 2.6.18

It was discovered that the Xen hypervisor block driver did not correctly validate requests A user with root privileges in a guest OS could make a malicious IO request with a large number of blocks that would crash the host OS, leading to a denial of service This only affected Ubuntu 710 (CVE-2007-5498) ...

CWE-399 https://bugzilla.redhat.com/show_bug.cgi?id=369531 http://www.redhat.com/support/errata/RHSA-2008-0233.html http://www.securityfocus.com/bid/29082 http://secunia.com/advisories/30116 http://www.ubuntu.com/usn/usn-679-1 http://secunia.com/advisories/32918 https://exchange.xforce.ibmcloud.com/vulnerabilities/42274 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452 https://nvd.nist.gov https://usn.ubuntu.com/679-1/

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CVE-2007-5498

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