CVE-2010-3698 Information

Description

The KVM implementation in the Linux kernel before 2.6.36 does not properly reload the FS and GS segment registers which allows host OS users to cause a denial of service (host OS crash) via a KVM_RUN ioctl call in conjunction with a modified Local Descriptor Table (LDT).

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9581d442b9058d3699b4be568b6e5eae38a41493 http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html http://secunia.com/advisories/42745 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 http://www.redhat.com/support/errata/RHSA-2010-0842.html http://www.redhat.com/support/errata/RHSA-2010-0898.html http://www.securityfocus.com/bid/44500 http://www.vupen.com/english/advisories/2010/3123 http://www.vupen.com/english/advisories/2010/3321 https://bugzilla.redhat.com/show_bug.cgi?id=639879