CVE-2010-2938

Name	CVE-2010-2938
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	stretch (security), stretch	4.8.5.final+shim4.10.4-1+deb9u12	fixed
	buster	4.11.4+37-g3263f257ca-1	fixed
	buster (security)	4.11.4+57-g41a822c392-2	fixed
	bullseye, sid	4.14.0+88-g1d1d1f5391-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux-2.6	source	(unstable)	(not affected)
xen	source	(unstable)	4.0.1-1

Notes

- linux-2.6 <not-affected> (affected code not present in any of the released kernels; only affects xen package itself)
probably fixed well before this version, but this is the one i checked and its fixed