kernel: xen: pciback DoS via not rate limited log messages
Published Feb 13, 2013
4.9
MEDIUMCVSS 2.0
EPSS 0.42%
Description
The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-348.4.1.el5
Fixed · RHSA-2013:0747
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-348.4.1.el5 | Fixed | RHSA-2013:0747 |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did 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 2.
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: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 3, 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 3, 2026 | 0.42% (0.00424) | 34.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.44% (0.00440) | 34.88th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00084) | 22.07th | 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 (13)
- http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00018.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/89903 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/52059 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.debian.org/security/2013/dsa-2632 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/02/05/9 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/57740 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2013-0231 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=910874 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81923 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2013-0231
- https://www.cve.org/CVERecord?id=CVE-2013-0231
Change history (0)
No recorded changes yet.