Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · 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 hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.
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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | up to 0.15.1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:0.15.0:rc1:*:*:*:*:*:* | 0.15.0 rc1 | Vulnerable | QEMU |
| cpe:2.3:a:qemu:qemu:0.15.0:rc2:*:*:*:*:*:* | 0.15.0 rc2 | Vulnerable | QEMU |
| cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:* | 5 | Vulnerable | Red Hat |
| cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Xen |
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions up to 0.15.1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:0.15.0:rc1:*:*:*:*:*:* Versions 0.15.0 rc1 Vulnerable ·QEMU
- cpe:2.3:a:qemu:qemu:0.15.0:rc2:*:*:*:*:*:* Versions 0.15.0 rc2 Vulnerable ·QEMU
- cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·Red Hat
- cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Xen
Remediation
Red Hat 1 advisory
- RHSA-2011:1401 Released 2011-10-24 · Red Hat rating Moderatexen security and bug fix update
- RHEL Desktop Multi OS (v. 5 client) xen-3.0.3-132.el5_7.2, xen-3.0.3-132.el5_7.2.i386, xen-devel-3.0.3-132.el5_7.2 +1
- RHEL Virtualization (v. 5 server) xen-3.0.3-132.el5_7.2, xen-3.0.3-132.el5_7.2.i386, xen-3.0.3-132.el5_7.2.ia64 +3
- Red Hat Enterprise Linux (v. 5 server) xen-3.0.3-132.el5_7.2, xen-libs-3.0.3-132.el5_7.2, xen-libs-3.0.3-132.el5_7.2.i386 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) xen-3.0.3-132.el5_7.2, xen-libs-3.0.3-132.el5_7.2, xen-libs-3.0.3-132.el5_7.2.i386
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Multi OS (v. 5 client) | Fixed | RHSA-2011:1401 |
| RHEL Virtualization (v. 5 server) | Fixed | RHSA-2011:1401 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:1401 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:1401 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3346
- 2026-10-03 Alias added: GHSA-q6jm-gv84-4cp6
References
Exploit 2
Advisory 1
Sources
- CVE-2011-3346 · CVE Program
- CVE-2011-3346 · NVD
- FIRST EPSS
- GHSA-q6jm-gv84-4cp6 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3346 · 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