CVE-2010-2070: Null Pointer Dereference
First published: Tue Apr 27 2010(Updated: )
arch/ia64/xen/faults.c in Xen 3.4 and 4.0 in Linux kernel 2.6.18, and possibly other kernel versions, when running on IA-64 architectures, allows local users to cause a denial of service and "turn on BE by modifying the user mask of the PSR," as demonstrated via exploitation of CVE-2006-0742.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| XenServer | =4.0.0 | |
| XenServer | =3.4.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=409485
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=409485&action=edit
- http://rhts.redhat.com/cgi-bin/rhts/scheduler_xmlrpc.cgi
- http://rhts.redhat.com/cgi-bin/rhts/jobs.cgi?id=152572
- https://access.redhat.com/security/cve/CVE-2006-0742
- http://xenbits.xensource.com/xen-4.0-testing.hg?rev/42caadb14edb
- https://rhn.redhat.com/errata/RHSA-2010-0610.html
- https://bugzilla.redhat.com/show_bug.cgi?id=586415
- http://www.securityfocus.com/bid/40776
- http://www.openwall.com/lists/oss-security/2010/06/10/2
- http://osvdb.org/65541
- http://www.redhat.com/support/errata/RHSA-2010-0610.html
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- http://secunia.com/advisories/43315
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59373
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2010-2070?
CVE-2010-2070 has a moderate severity rating due to its potential to cause a denial of service attack.
How do I fix CVE-2010-2070?
Fixing CVE-2010-2070 involves updating to a patched version of Xen, specifically versions beyond Xen 4.0.0 and 3.4.0.
Who is affected by CVE-2010-2070?
Local users on IA-64 architectures running Xen 3.4.0 or 4.0.0 are affected by CVE-2010-2070.
What type of vulnerability is CVE-2010-2070?
CVE-2010-2070 is classified as a denial of service vulnerability.
Can CVE-2010-2070 be exploited remotely?
CVE-2010-2070 cannot be exploited remotely as it requires local user access to the system.
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