Description
Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | xen +1 | 3.0.3-41.el5_1.5 | RHSA-2008:0194 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | xen +1 | 3.0.3-41.el5_1.5 | RHSA-2008:0194 |
Advisories 1
- RHSA-2008:0194 Red Hat Security Advisory: xen security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2008:0194 vendor-advisory
- 29183 vdb-entry
- 1020008 vdb-entry
- xen-pvfb-description-dos(42387) vdb-entry
- 29963 third-party-advisory
- oval:org.mitre.oval:def:10338 vdb-entry signature
- 30781 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=443078
- ADV-2008-1900 vdb-entry