CVE-2007-5498: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

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 Linux Kernel: version 2.6.18 only

Published 2008-05-08. Last modified 2026-06-16.