CVE-2007-5498

missing sanity check in xen block backend driver

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El driver Xen hypervisor block backend (situado entre el hardware y el sistema operativo) para el Kernel de Linux 2.6.18, cuando corre en un host de 64 bit con un cliente paravirtualizado de 32 bit, permite a usuarios locales con privilegios provocar una denegación de Servicio (caída del SO del host) en el SO cliente mediante una petición que especifica un número largo de bloques.

The Linux 2.6 kernel has had various security vulnerabilities addressed. These range from bypass issues to denial of service and improper validation.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2007-10-17 CVE Reserved
2008-05-08 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (9)

URL	Tag	Source
http://secunia.com/advisories/30116	Third Party Advisory
http://secunia.com/advisories/32918	Third Party Advisory
http://www.securityfocus.com/bid/29082	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/42274	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452	Signature

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=369531	2008-05-07

URL	Date	SRC
http://www.redhat.com/support/errata/RHSA-2008-0233.html	2017-09-29
http://www.ubuntu.com/usn/usn-679-1	2017-09-29
https://access.redhat.com/security/cve/CVE-2007-5498	2008-05-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.18 Search vendor "Linux" for product "Linux Kernel" and version "2.6.18"		-		Affected