Resource management errors in Linux kernel - CVE-2010-2938
Published: October 9, 2010 / Updated: October 10, 2018
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure (VMCS) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5, when an Intel platform without Extended Page Tables (EPT) functionality is used, accesses VMCS fields without verifying hardware support for these fields, which allows local users to cause a denial of service (host OS crash) by requesting a VMCS dump for a fully virtualized Xen guest.
How to mitigate CVE-2010-2938
Sources
- http://secunia.com/advisories/46397
- http://support.avaya.com/css/P8/documents/100113326
- http://www.redhat.com/support/errata/RHSA-2010-0723.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/43578
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://xenbits.xensource.com/xen-unstable.hg?rev/15911
- https://bugzilla.redhat.com/show_bug.cgi?id=620490