Vulnerability in Linux Kernel
CVE-2010-2938
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.18
- Red Hat Enterprise Linux — versions 5
Weakness classification (CWE)
References
- www.redhat.com/support/errata/RHSA-2010-0723.html (vendor-advisory)
- www.securityfocus.com/archive/1/520102/100/0/threaded (mailing-list)
- www.securityfocus.com/bid/43578 (vdb-entry)
- secunia.com/advisories/46397 (third-party-advisory)
- xenbits.xensource.com/xen-unstable.hg
- www.vmware.com/security/advisories/VMSA-2011-0012.html
- support.avaya.com/css/P8/documents/100113326
- bugzilla.redhat.com/show_bug.cgi