Kernel: Xen: Xsa-63: information leak via I/O instruction emulation
Published Oct 1, 2013
1.5
LOWCVSS 2.0
EPSS 0.31%
Description
Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.
Affected products
No data.
- ≤ 4.3.0
- 3.0.2
- 3.0.3
- 3.0.4
- 3.1.3
- 3.1.4
- 3.2.0
- 3.2.1
- 3.2.2
- 3.2.3
- 3.3.0
- 3.3.1
- 3.3.2
- 3.4.0
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-371.3.1.el5
Fixed · RHSA-2013:1790
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-371.3.1.el5 | Fixed | RHSA-2013:1790 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does affect the version of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue does not affect the versions of the Linux kernel as shipped with 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:S/C:P/I:N/A:N
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.31% (0.00310) | 21.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.31% (0.00310) | 22.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00094) | 24.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00060) | 27.26th | v3 (v2023.03.01) |
| Jun 6, 2024 | 0.06% (0.00060) | 25.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00060) | 23.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.10% (0.01104) | 53.53th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-1790.html vendor-advisoryx_refsource_REDHAT
- http://security.gentoo.org/glsa/glsa-201407-03.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2014/dsa-3006 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/09/30/1 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2013-4355 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1009598 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4355
- https://www.cve.org/CVERecord?id=CVE-2013-4355
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html | vendor-advisoryx_refsource_SUSE | |
| http://rhn.redhat.com/errata/RHSA-2013-1790.html | vendor-advisoryx_refsource_REDHAT | |
| http://security.gentoo.org/glsa/glsa-201407-03.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.debian.org/security/2014/dsa-3006 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2013/09/30/1 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2013-4355 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1009598 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4355 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4355 |
Change history (0)
No recorded changes yet.