Description
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged.
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 | 4.4.1-7 | — |
| Debian 13 | xen | 4.4.1-7 | — |
| Debian 12 | xen | 4.4.1-7 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | xen | 4.4.1-0ubuntu0.14.04.4 | — |
References
- FEDORA-2015-3944 vendor-advisory
- 1031663 vdb-entry
- [oss-security] 20150129 Xen Security Advisory 118 - arm: vgic: incorrect rate limiting of guest triggered logging mailing-list
- http://xenbits.xen.org/xsa/advisory-118.html
- 72766 vdb-entry