Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d…
Priority LOW 34CWE-264Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Partial Red Hat: 4 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
Why it matters now
EPSS 0.00852 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 3 advisoriesRed Hat: 4 fixed, 1 without a fix
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 3 advisories
- RHSA-2012:0358 Released 2012-03-06 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux EUS (v. 5.6 server) kernel-2.6.18-238.35.1.el5, kernel-2.6.18-238.35.1.el5.ia64, kernel-PAE-2.6.18-238.35.1.el5 +18
- RHSA-2011:1479 Released 2011-11-29 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-274.12.1.el5, kernel-2.6.18-274.12.1.el5.ia64, kernel-PAE-2.6.18-274.12.1.el5 +18
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-274.12.1.el5, kernel-PAE-2.6.18-274.12.1.el5, kernel-PAE-devel-2.6.18-274.12.1.el5 +8
- RHSA-2011:1189 Released 2011-08-23 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-131.12.1.el6, kernel-bootwrapper-2.6.32-131.12.1.el6, kernel-debug-2.6.32-131.12.1.el6 +8
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:1479 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:1479 |
| Red Hat Enterprise Linux EUS (v. 5.6 server) | Fixed | RHSA-2012:0358 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:1189 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1898
- 2026-10-03 Alias added: GHSA-567h-gr95-57mc
References
Exploit 1
More Citrix Xen vulnerabilities
- 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
- TI-2010-03996 The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2)… CVSS 2.0MEDIUM 5.5
Sources
- CVE-2011-1898 · CVE Program
- CVE-2011-1898 · NVD
- FIRST EPSS
- GHSA-567h-gr95-57mc · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1898 · Red Hat security data · CC BY 4.0
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