xen: insufficiencies in pv kernel image validation
Published Aug 19, 2011
2.1
LOWCVSS 2.0
EPSS 0.33%
Description
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."
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
xen-0:3.0.3-120.el5_6.2
Fixed · RHSA-2011:0496
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | xen-0:3.0.3-120.el5_6.2 | Fixed | RHSA-2011:0496 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Xen package as shipped with Red Hat Enterprise Linux 4 and 6. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-0496.html.
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:L/Au:N/C:N/I:N/A:P
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.33% (0.00334) | 24.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.33% (0.00334) | 24.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00096) | 24.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (9)
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html mailing-listx_refsource_MLISTPatch
- http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- https://access.redhat.com/security/cve/CVE-2011-3262 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=696927 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69381 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-3262
- https://www.cve.org/CVERecord?id=CVE-2011-3262
| Link | Providers | Tags |
|---|---|---|
| http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html | mailing-listx_refsource_MLISTPatch | |
| http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html | mailing-listx_refsource_MLISTPatch | |
| http://secunia.com/advisories/55082 | third-party-advisoryx_refsource_SECUNIA | |
| http://security.gentoo.org/glsa/glsa-201309-24.xml | vendor-advisoryx_refsource_GENTOO | |
| https://access.redhat.com/security/cve/CVE-2011-3262 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=696927 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/69381 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-3262 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-3262 |
Change history (0)
No recorded changes yet.