tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allows local users to…
Priority LOW 11CWE-399Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0, and 4.1 allows local users to cause a denial of service (management software infinite loop and management domain resource consumption) via unspecified vectors related to "Lack of error checking in the decompression loop."
Why it matters now
EPSS 0.00334 26th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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
Remediation
Red Hat 1 advisory
- RHSA-2011:0496 Released 2011-05-09 · Red Hat rating Importantxen security update
- RHEL Virtualization (v. 5 server) xen-3.0.3-120.el5_6.2, xen-3.0.3-120.el5_6.2.i386, xen-3.0.3-120.el5_6.2.ia64 +3
- Red Hat Enterprise Linux (v. 5.6.z server) xen-3.0.3-120.el5_6.2, xen-libs-3.0.3-120.el5_6.2, xen-libs-3.0.3-120.el5_6.2.i386 +1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Virtualization (v. 5 server) | Fixed | RHSA-2011:0496 |
| Red Hat Enterprise Linux (v. 5.6.z server) | Fixed | RHSA-2011:0496 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3262
- 2026-10-03 Alias added: GHSA-h3q2-c8qw-f4hc
References
More Citrix Xen vulnerabilities
- TI-2011-01674 Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d… CVSS 2.0HIGH 7.4
- TI-2008-04202 xend in Xen 3.0.3 does not properly limit the contents of the /local/domain xenstore… CVSS 2.0HIGH 7.2
- TI-2011-01402 Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2, 3.3, 4.0… CVSS 2.0MEDIUM 6.9
- TI-2008-05424 xend in Xen 3.3.0 does not properly restrict a guest VM's write access within the… CVSS 2.0HIGH 7.2
- TI-2010-04004 The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit… CVSS 2.0MEDIUM 6.1
- TI-2010-03988 The vbd_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise… CVSS 2.0MEDIUM 5.5
Sources
- CVE-2011-3262 · CVE Program
- CVE-2011-3262 · NVD
- FIRST EPSS
- GHSA-h3q2-c8qw-f4hc · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3262 · 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