qemu/xen/kvm: ioemu: Fix PVFB backend to limit frame buffer size
Published Jun 23, 2008
2.1
LOWCVSS 2.0
EPSS 0.38%
Description
The backend for XenSource Xen Para Virtualized Frame Buffer (PVFB) in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service (crash) by mapping an arbitrary amount of guest memory.
Affected products
No data.
- n/a
No data.
Red Hat Enterprise Linux 5
xen-0:3.0.3-64.el5_2.3
Fixed · RHSA-2008:0892
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xen-0:3.0.3-64.el5_2.3 | Fixed | RHSA-2008:0892 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00379) | 29.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00379) | 29.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00077) | 20.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (13)
- http://lists.xensource.com/archives/html/xen-devel/2008-05/msg00421.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/32088 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2008/05/21/9 mailing-listx_refsource_MLISTPatch
- http://www.securityfocus.com/bid/30646 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020957 vdb-entryx_refsource_SECTRACK
- http://xenbits.xensource.com/xen-unstable.hg?rev/9044705960cb30cec385bdca7305bcf7db096721 x_refsource_CONFIRMPatch
- https://access.redhat.com/security/cve/CVE-2008-1952 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=447759 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43362 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-1952
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11189 vdb-entrysignaturex_refsource_OVAL
- https://rhn.redhat.com/errata/RHSA-2008-0892.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2008-1952
Change history (0)
No recorded changes yet.