CVE-2010-4255
First published: Mon Nov 29 2010(Updated: )
The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Citrix Xen | =3.4.0 | |
| Citrix Xen | =3.4.3 | |
| Citrix Xen | =3.2.0 | |
| Citrix Xen | =3.3.0 | |
| Citrix Xen | =4.0.0 | |
| Citrix Xen | =3.0.4 | |
| Citrix Xen | =3.3.2 | |
| Citrix Xen | =3.0.3 | |
| Citrix Xen | =3.1.3 | |
| Citrix Xen | =3.0.2 | |
| Citrix Xen | =3.1.2 | |
| Citrix Xen | =3.4.1 | |
| Citrix Xen | =3.2.2 | |
| Citrix Xen | =3.1.4 | |
| Citrix Xen | <=4.0.1 | |
| Citrix Xen | =3.2.3 | |
| Citrix Xen | =3.4.2 | |
| Citrix Xen | =3.3.1 | |
| Citrix Xen | =3.2.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://openwall.com/lists/oss-security/2010/11/30/8
- http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html
- http://openwall.com/lists/oss-security/2010/11/30/5
- https://bugzilla.redhat.com/show_bug.cgi?id=658155
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://secunia.com/advisories/42884
- http://secunia.com/advisories/46397
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- https://rhn.redhat.com/errata/RHSA-2011-0017.html
- collector/redhat-bugzilla
- alias/CVE-2010-4255
- collector/nvd-historical
- collector/nvd-index
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- agent/weakness
- vendor/citrix
- canonical/citrix xen
- version/citrix xen/3.4.0
- version/citrix xen/3.4.3
- version/citrix xen/3.2.0
- version/citrix xen/3.3.0
- version/citrix xen/4.0.0
- version/citrix xen/3.0.4
- version/citrix xen/3.3.2
- version/citrix xen/3.0.3
- version/citrix xen/3.1.3
- version/citrix xen/3.0.2
- version/citrix xen/3.1.2
- version/citrix xen/3.4.1
- version/citrix xen/3.2.2
- version/citrix xen/3.1.4
- version/citrix xen/4.0.1
- version/citrix xen/3.2.3
- version/citrix xen/3.4.2
- version/citrix xen/3.3.1
- version/citrix xen/3.2.1