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Fencer Vulns
medium 4.7

CVE-2008-0928 json

Qemu 0.9.1 and earlier does not perform range checks for block device read or write requests, which allows guest host users with root privi…

published 2008-03-03 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-0935

cvss
4.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

Qemu 0.9.1 and earlier does not perform range checks for block device read or write requests, which allows guest host users with root privileges to access arbitrary memory and escape the virtual machine.

Patch / fix

  • qemu Debian 14, Debian 13, Debian 12 0.9.1+svn20081207-1

debian advisories DEBIAN-CVE-2008-0928

  • xen RHEL 5 VIRTUALIZATION, RHEL 5 3.0.3-41.el5_1.5
  • xen-libs RHEL 5 3.0.3-41.el5_1.5

red hat advisories RHSA-2008:0194

  • qemu openSUSE Tumbleweed 2.6.1-1.5
  • qemu-linux-user openSUSE Tumbleweed 2.6.1-1.5

opensuse advisories openSUSE-SU-2024:10233-1openSUSE-SU-2024:10285-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2008-0928 updated

Qemu insufficient block device address range checking

  • Red Hat Enterprise Linux (v. 5 server) xen 3.0.3-41.el5_1.5, xen-libs 3.0.3-41.el5_1.5 Red Hat Enterprise Linux Desktop (v. 5 client) xen 3.0.3-41.el5_1.5, xen-libs 3.0.3-41.el5_1.5 Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) xen 3.0.3-41.el5_1.5, xen-libs 3.0.3-41.el5_1.5 Red Hat Enterprise Linux Virtualization (v. 5 server) xen 3.0.3-41.el5_1.5, xen-libs 3.0.3-41.el5_1.5
    fixed: vendor fix RHSA-2008:0194

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.