kernel: xen: XENMEM_populate_physmap DoS vulnerability
Published Nov 23, 2012
4.7
MEDIUMCVSS 2.0
EPSS 0.42%
Description
XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.
Affected products
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 | 0.42% (0.00418) | 33.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00418) | 33.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00093) | 24.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 30.08th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.06% (0.00064) | 28.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | 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 (27)
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html mailing-listx_refsource_MLISTVendor Advisory
- http://secunia.com/advisories/50472 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/50530 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/51413 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- http://securitytracker.com/id?1027481 vdb-entryx_refsource_SECTRACK
- http://support.citrix.com/article/CTX134708 x_refsource_CONFIRMPatchVendor Advisory
- http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2544 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2012/09/05/7 mailing-listx_refsource_MLIST
- http://www.osvdb.org/85200 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/55412 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2012-3496 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=851172 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=854590 x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78267 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2012-3496
- https://security.gentoo.org/glsa/201604-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2012-3496
Change history (0)
No recorded changes yet.