Description
Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.
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 | xen | 4.1.3-1 | — |
| Debian 13 | xen | 4.1.3-1 | — |
| Debian 12 | xen | 4.1.3-1 | — |
| Debian 6.0 | xen | 4.0.1-5.3 | DSA-2531-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 | openSUSE-SU-2024:10196-1 |
Advisories 2
- DSA-2531-1 xen - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10196-1 xen-4.7.0_12-1.3 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- DSA-2531 vendor-advisory
- 55082 third-party-advisory
- [oss-security] 20120809 Xen Security Advisory 11 (CVE-2012-3433) - HVM destroy p2m host DoS mailing-list
- GLSA-201309-24 vendor-advisory
- SUSE-SU-2012:1044 vendor-advisory
- SUSE-SU-2012:1043 vendor-advisory
- 54942 vdb-entry
- openSUSE-SU-2012:1174 vendor-advisory
- [Xen-devel] 20120809 Xen Security Advisory 11 (CVE-2012-3433) - HVM destroy p2m host DoS mailing-list
- openSUSE-SU-2012:1172 vendor-advisory