CVE-2007-5498

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-05-08 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

Linux kernel: 2.6.18

References

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

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