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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.2.41-1 | — |
| Debian 13 | linux | 3.2.41-1 | — |
| Debian 12 | linux | 3.2.41-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze1 | DSA-2632-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-348.4.1.el5 | RHSA-2013:0747 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.90.1 | SUSE-SU-2019:14051-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Advisories 4
- DSA-2632-1 linux-2.6 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14051-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2013:0747 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- [oss-security] 20130205 Xen Security Advisory 43 (CVE-2013-0231) - Linux pciback DoS via not rate limited log messages. mailing-list
- 57740 vdb-entry
- xen-pcibackenablemsi-dos(81923) vdb-entry
- openSUSE-SU-2013:0395 vendor-advisory
- 52059 third-party-advisory
- SUSE-SU-2013:0674 vendor-advisory
- openSUSE-SU-2013:0925 vendor-advisory
- DSA-2632 vendor-advisory
- 89903 vdb-entry