kernel: xen: several HVM operations do not validate the range of their inputs
Published Dec 13, 2012
4.7
MEDIUMCVSS 2.0
EPSS 0.40%
Description
Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.
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:M/Au:N/C:N/I:N/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 | 0.40% (0.00395) | 31.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00395) | 31.10th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.87th | 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 (16)
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/51397 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/51486 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/51487 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- http://support.citrix.com/article/CTX135777 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2012/12/03/10 mailing-listx_refsource_MLIST
- http://www.osvdb.org/88129 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/56796 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-6333 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=877365 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80484 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-6333
- https://www.cve.org/CVERecord?id=CVE-2012-6333
Change history (0)
No recorded changes yet.