Kernel: Xen: Xsa-64: memory leak by 64bit PV guests under live migration
Published Oct 9, 2013
5.4
MEDIUMCVSS 2.0
EPSS 0.61%
Description
Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).
Affected products
Remediation
Red Hat statement
This issue does not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue does not affect the versions of the Linux kernel package as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as it does 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:A/AC:M/Au:N/C:P/I:P/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.61% (0.00611) | 47.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.61% (0.00611) | 44.36th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00094) | 24.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00156) | 53.31th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.16% (0.00156) | 52.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00156) | 50.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/54962 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.gentoo.org/glsa/glsa-201407-03.xml vendor-advisoryx_refsource_GENTOO
- http://www.openwall.com/lists/oss-security/2013/09/30/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/62709 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2013-4356 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1009553 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4356
- https://www.cve.org/CVERecord?id=CVE-2013-4356
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/54962 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://security.gentoo.org/glsa/glsa-201407-03.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.openwall.com/lists/oss-security/2013/09/30/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/62709 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2013-4356 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1009553 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4356 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4356 |
Change history (0)
No recorded changes yet.