qemu-kvm: virtqueue: too-large indirect descriptor buffer overflow
Published Jun 21, 2012
7.4
HIGHCVSS 2.0
EPSS 0.71%
Description
Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."
Affected products
No data.
- ≤ 0.14.0
- 0.1.0
- 0.1.1
- 0.1.2
- 0.1.3
- 0.1.4
- 0.1.5
- 0.1.6
- 0.2.0
- 0.3.0
- 0.4.0
- 0.4.1
- 0.4.2
- 0.4.3
- 0.5.0
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.5
- 0.6.0
- 0.6.1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.8.0
- 0.8.1
- 0.8.2
- 0.9.0
- 0.9.1
- 0.9.1-5
- 0.10.0
- 0.10.1
- 0.10.2
- 0.10.3
- 0.10.4
- 0.10.5
- 0.10.6
- 0.11.0
- 0.11.0
- 0.11.0
- 0.11.0
- 0.11.0-rc0
- 0.11.0-rc1
- 0.11.0-rc2
- 0.11.1
- 0.12.0
- 0.12.0
- 0.12.0
- 0.12.1
- 0.12.2
- 0.12.3
- 0.12.4
- 0.12.5
- 0.13.0
- 0.13.0
- 0.13.0
- 0.14.0
- 0.14.0
- 0.14.0
No data.
Red Hat Enterprise Linux 6
qemu-kvm-2:0.12.1.2-2.160.el6_1.2
Fixed · RHSA-2011:0919
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Virtualization 2
ovirt-node
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | qemu-kvm-2:0.12.1.2-2.160.el6_1.2 | Fixed | RHSA-2011:0919 |
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Virtualization 2 | ovirt-node | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue only affects Red Hat Enterprise Linux 6. The version of the qemu/kvm as shipped with Red Hat Enterprise Linux 5 is not affected because it does not provide support for indirect descriptors.
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:A/AC:M/Au:S/C:C/I:C/A:C
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 | 0.71% (0.00708) | 51.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.71% (0.00708) | 48.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.47% (0.00473) | 62.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00061) | 27.92th | v3 (v2023.03.01) |
| May 31, 2024 | 0.06% (0.00061) | 25.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 23.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (16)
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2011-0919.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/45158 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45170 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45187 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45188 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45301 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45354 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://ubuntu.com/usn/usn-1165-1 vendor-advisoryx_refsource_UBUNTU
- http://www.osvdb.org/74751 vdb-entryx_refsource_OSVDB
- https://access.redhat.com/security/cve/CVE-2011-2212 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=713589 x_refsource_CONFIRMIssue Tracking
- https://hermes.opensuse.org/messages/9605323 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2011-2212
- https://www.cve.org/CVERecord?id=CVE-2011-2212
- https://www.debian.org/security/2011/dsa-2282 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.