Description
The virBitmapParse function in util/virbitmap.c in libvirt before 1.1.2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via a crafted bitmap, as demonstrated by a large nodeset value to numatune.
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 | libvirt | 1.1.2~rc1-1 | — |
| Debian 13 | libvirt | 1.1.2~rc1-1 | — |
| Debian 12 | libvirt | 1.1.2~rc1-1 | — |
References
- http://libvirt.org/news.html
- 60895 third-party-advisory
- GLSA-201412-04 vendor-advisory
- http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=47b9127e883677a0d60d767030a147450e919a25
- USN-1954-1 vendor-advisory
- [oss-security] 20130830 Re: CVE request -- libvirt: virBitmapParse out-of-bounds read access mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=997367
- openSUSE-SU-2013:1550 vendor-advisory