National Cyber Awareness System

Vulnerability Summary for CVE-2010-3698

Overview

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).

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36

Type: Patch Information

Hyperlink:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9581d442b9058d3699b4be568b6e5eae38a41493

Type: Patch Information

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9581d442b9058d3699b4be568b6e5eae38a41493

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=639879

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=639879

External Source: VUPEN

Name: ADV-2010-3321

Hyperlink:http://www.vupen.com/english/advisories/2010/3321

External Source: VUPEN

Name: ADV-2010-3123

Hyperlink:http://www.vupen.com/english/advisories/2010/3123

External Source: BID

Name: 44500

Hyperlink:http://www.securityfocus.com/bid/44500

External Source: REDHAT

Name: RHSA-2010:0898

Hyperlink:http://www.redhat.com/support/errata/RHSA-2010-0898.html

External Source: REDHAT

Name: RHSA-2010:0842

Hyperlink:http://www.redhat.com/support/errata/RHSA-2010-0842.html

External Source: MANDRIVA

Name: MDVSA-2011:029

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2011:029

External Source: SECUNIA

Name: 42745

Hyperlink:http://secunia.com/advisories/42745

External Source: FEDORA

Name: FEDORA-2010-18983

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html