Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages."
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:desktop:5:*:*:*:*:*:*:* | 5 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:client:*:*:*:*:* | 5.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:server:*:*:*:*:* | 5.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:virtualization_server:5:*:*:*:*:*:*:* | 5 | Running on | Red Hat |
| cpe:2.3:a:xensource:xen:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Xensource |
| cpe:2.3:a:xensource:xen:3.0.3:*:*:*:*:*:*:* | 3.0.3 | Vulnerable | Xensource |
- cpe:2.3:o:redhat:desktop:5:*:*:*:*:*:*:* Versions 5 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:client:*:*:*:*:* Versions 5.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:server:*:*:*:*:* Versions 5.0 Running on ·Red Hat
- cpe:2.3:o:redhat:virtualization_server:5:*:*:*:*:*:*:* Versions 5 Running on ·Red Hat
- cpe:2.3:a:xensource:xen:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Xensource
- cpe:2.3:a:xensource:xen:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·Xensource
Remediation
Red Hat 1 advisory
- RHSA-2008:0194 Released 2008-05-13 · Red Hat rating Importantxen security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) xen-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5, xen-libs-3.0.3-41.el5_1.5.i386 +1
- 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, xen-libs-3.0.3-41.el5_1.5.i386
- Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) xen-3.0.3-41.el5_1.5, xen-3.0.3-41.el5_1.5.i386, xen-devel-3.0.3-41.el5_1.5 +1
- Red Hat Enterprise Linux Virtualization (v. 5 server) xen-3.0.3-41.el5_1.5, xen-3.0.3-41.el5_1.5.i386, xen-3.0.3-41.el5_1.5.ia64 +3
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0194 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0194 |
| Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) | Fixed | RHSA-2008:0194 |
| Red Hat Enterprise Linux Virtualization (v. 5 server) | Fixed | RHSA-2008:0194 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-1944
- 2026-10-03 Alias added: GHSA-mrfh-5r6g-9545
References
More Xensource Xen vulnerabilities
- TI-2010-01984 arch/ia64/xen/faults.c in Xen 3.4 and 4.0 in Linux kernel 2.6.18, and possibly other… CVSS 2.0MEDIUM 4.9
- TI-2008-01866 Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0… CVSS 2.0LOW 2.1
Sources
- CVE-2008-1944 · CVE Program
- CVE-2008-1944 · NVD
- FIRST EPSS
- GHSA-mrfh-5r6g-9545 · GitHub Advisory Database · CC BY 4.0
- CVE-2008-1944 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences