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Test ID:1.3.6.1.4.1.25623.1.0.66796
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0088
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2010:0088.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for
the standard Red Hat Enterprise Linux kernel.

The x86 emulator implementation was missing a check for the Current
Privilege Level (CPL) and I/O Privilege Level (IOPL). A user in a guest
could leverage these flaws to cause a denial of service (guest crash) or
possibly escalate their privileges within that guest. (CVE-2010-0298,
CVE-2010-0306)

A flaw was found in the Programmable Interval Timer (PIT) emulation. Access
to the internal data structure pit_state, which represents the data state
of the emulated PIT, was not properly validated in the pit_ioport_read()
function. A privileged guest user could use this flaw to crash the host.
(CVE-2010-0309)

A flaw was found in the USB passthrough handling code. A specially-crafted
USB packet sent from inside a guest could be used to trigger a buffer
overflow in the usb_host_handle_control() function, which runs under the
QEMU-KVM context on the host. A user in a guest could leverage this flaw to
cause a denial of service (guest hang or crash) or possibly escalate their
privileges within the host. (CVE-2010-0297)

All KVM users should upgrade to these updated packages, which contain
backported patches to resolve these issues. Note: The procedure in the
Solution section must be performed before this update will take effect.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2010-0088.html
http://www.redhat.com/security/updates/classification/#important

Risk factor : High

CVSS Score:
7.2

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-0297
BugTraq ID: 38158
http://www.securityfocus.com/bid/38158
http://www.mail-archive.com/kvm@vger.kernel.org/msg18447.html
http://www.mail-archive.com/kvm@vger.kernel.org/msg19581.html
http://www.mail-archive.com/kvm@vger.kernel.org/msg19596.html
http://marc.info/?l=oss-security&m=126510479211473&w=2
http://marc.info/?l=oss-security&m=126527304127254&w=2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11786
RedHat Security Advisories: RHSA-2010:0088
https://rhn.redhat.com/errata/RHSA-2010-0088.html
XForce ISS Database: kernel-usb-bo(56194)
https://exchange.xforce.ibmcloud.com/vulnerabilities/56194
Common Vulnerability Exposure (CVE) ID: CVE-2010-0298
Debian Security Information: DSA-1996 (Google Search)
http://www.debian.org/security/2010/dsa-1996
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11335
RedHat Security Advisories: RHSA-2010:0095
https://rhn.redhat.com/errata/RHSA-2010-0095.html
http://secunia.com/advisories/38492
Common Vulnerability Exposure (CVE) ID: CVE-2010-0306
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10953
http://secunia.com/advisories/38499
Common Vulnerability Exposure (CVE) ID: CVE-2010-0309
http://www.mail-archive.com/kvm@vger.kernel.org/msg28002.html
http://www.openwall.com/lists/oss-security/2010/02/02/1
http://www.openwall.com/lists/oss-security/2010/02/02/4
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095
http://secunia.com/advisories/38922
http://www.ubuntu.com/usn/USN-914-1
http://www.vupen.com/english/advisories/2010/0638
CopyrightCopyright (c) 2010 E-Soft Inc. http://www.securityspace.com

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