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Test ID:1.3.6.1.4.1.25623.1.0.69807
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2011:0927
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2011:0927.

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issues:

* An integer overflow flaw in ib_uverbs_poll_cq() could allow a local,
unprivileged user to cause a denial of service or escalate their
privileges. (CVE-2010-4649, Important)

* A race condition in the way new InfiniBand connections were set up could
allow a remote user to cause a denial of service. (CVE-2011-0695,
Important)

* A flaw in the Stream Control Transmission Protocol (SCTP) implementation
could allow a remote attacker to cause a denial of service if the sysctl
net.sctp.addip_enable variable was turned on (it is off by default).
(CVE-2011-1573, Important)

* Flaws in the AGPGART driver implementation when handling certain IOCTL
commands could allow a local, unprivileged user to cause a denial of
service or escalate their privileges. (CVE-2011-1745, CVE-2011-2022,
Important)

* An integer overflow flaw in agp_allocate_memory() could allow a local,
unprivileged user to cause a denial of service or escalate their
privileges. (CVE-2011-1746, Important)

* A flaw allowed napi_reuse_skb() to be called on VLAN (virtual LAN)
packets. An attacker on the local network could trigger this flaw by
sending specially-crafted packets to a target system, possibly causing a
denial of service. (CVE-2011-1576, Moderate)

* An integer signedness error in next_pidmap() could allow a local,
unprivileged user to cause a denial of service. (CVE-2011-1593, Moderate)

* A flaw in the way the Xen hypervisor implementation handled CPUID
instruction emulation during virtual machine exits could allow an
unprivileged guest user to crash a guest. This only affects systems that
have an Intel x86 processor with the Intel VT-x extension enabled.
(CVE-2011-1936, Moderate)

* A flaw in inet_diag_bc_audit() could allow a local, unprivileged user to
cause a denial of service (infinite loop). (CVE-2011-2213, Moderate)

* A missing initialization flaw in the XFS file system implementation
could lead to an information leak. (CVE-2011-0711, Low)

* A flaw in ib_uverbs_poll_cq() could allow a local, unprivileged user to
cause an information leak. (CVE-2011-1044, Low)

* A missing validation check was found in the signals implementation. A
local, unprivileged user could use this flaw to send signals via the
sigqueueinfo system call, with the si_code set to SI_TKILL and with spoofed
process and user IDs, to other processes. Note: This flaw does not allow
existing permission checks to be bypassed
signals can only be sent if your
privileges allow you to already do so. (CVE-2011-1182, Low)

* A heap overflow flaw in the EFI GUID Partition Table (GPT) implementation
could allow a local attacker to cause a denial of service by mounting a
disk containing specially-crafted partition tables. (CVE-2011-1776, Low)

* Structure padding in two structures in the Bluetooth implementation
was not initialized properly before being copied to user-space, possibly
allowing local, unprivileged users to leak kernel stack memory to
user-space. (CVE-2011-2492, Low)

Red Hat would like to thank Jens Kuehnel for reporting CVE-2011-0695

Vasiliy Kulikov for reporting CVE-2011-1745, CVE-2011-2022, and
CVE-2011-1746
Ryan Sweat for reporting CVE-2011-1576
Robert Swiecki for
reporting CVE-2011-1593
Dan Rosenberg for reporting CVE-2011-2213 and
CVE-2011-0711
Julien Tinnes of the Google Security Team for reporting
CVE-2011-1182
Timo Warns for reporting CVE-2011-1776
and Marek Kroemeke
and Filip Palian for reporting CVE-2011-2492.

Bug fix documentation will be available shortly from the Technical Notes
document linked to in the References.

Users should upgrade to these updated packages, which contain backported
patches to correct these issues, and fix the bugs noted in the Technical
Notes. The system must be rebooted for this update to 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-2011-0927.html

Risk factor : High

CVSS Score:
6.9

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-4649
BugTraq ID: 46073
http://www.securityfocus.com/bid/46073
RedHat Security Advisories: RHSA-2011:0927
http://rhn.redhat.com/errata/RHSA-2011-0927.html
Common Vulnerability Exposure (CVE) ID: CVE-2011-0695
BugTraq ID: 46839
http://www.securityfocus.com/bid/46839
http://www.spinics.net/lists/linux-rdma/msg07447.html
http://www.spinics.net/lists/linux-rdma/msg07448.html
http://www.openwall.com/lists/oss-security/2011/03/11/1
http://secunia.com/advisories/43693
http://www.ubuntu.com/usn/USN-1146-1
XForce ISS Database: kernel-infiniband-dos(66056)
https://exchange.xforce.ibmcloud.com/vulnerabilities/66056
Common Vulnerability Exposure (CVE) ID: CVE-2011-0711
BugTraq ID: 46417
http://www.securityfocus.com/bid/46417
http://openwall.com/lists/oss-security/2011/02/16/4
http://openwall.com/lists/oss-security/2011/02/16/10
http://osvdb.org/70950
Common Vulnerability Exposure (CVE) ID: CVE-2011-1044
BugTraq ID: 46488
http://www.securityfocus.com/bid/46488
XForce ISS Database: kernel-ibuverbspollcq-info-disclosure(65563)
https://exchange.xforce.ibmcloud.com/vulnerabilities/65563
Common Vulnerability Exposure (CVE) ID: CVE-2011-1182
http://www.openwall.com/lists/oss-security/2011/03/23/2
Common Vulnerability Exposure (CVE) ID: CVE-2011-1573
http://openwall.com/lists/oss-security/2011/04/11/4
http://openwall.com/lists/oss-security/2011/04/11/12
Common Vulnerability Exposure (CVE) ID: CVE-2011-1576
BugTraq ID: 48907
http://www.securityfocus.com/bid/48907
http://www.redhat.com/support/errata/RHSA-2011-1090.html
http://www.redhat.com/support/errata/RHSA-2011-1106.html
http://www.securitytracker.com/id?1025853
Common Vulnerability Exposure (CVE) ID: CVE-2011-1593
BugTraq ID: 47497
http://www.securityfocus.com/bid/47497
http://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source
http://openwall.com/lists/oss-security/2011/04/19/1
http://openwall.com/lists/oss-security/2011/04/20/1
http://securitytracker.com/id?1025420
http://secunia.com/advisories/44164
XForce ISS Database: kernel-nextpidmap-dos(66876)
https://exchange.xforce.ibmcloud.com/vulnerabilities/66876
Common Vulnerability Exposure (CVE) ID: CVE-2011-1745
BugTraq ID: 47534
http://www.securityfocus.com/bid/47534
https://lkml.org/lkml/2011/4/14/293
http://openwall.com/lists/oss-security/2011/04/21/4
http://openwall.com/lists/oss-security/2011/04/22/7
Common Vulnerability Exposure (CVE) ID: CVE-2011-1746
BugTraq ID: 47535
http://www.securityfocus.com/bid/47535
https://lkml.org/lkml/2011/4/14/294
https://lkml.org/lkml/2011/4/19/400
Common Vulnerability Exposure (CVE) ID: CVE-2011-1776
BugTraq ID: 47796
http://www.securityfocus.com/bid/47796
http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt
http://openwall.com/lists/oss-security/2011/05/10/4
http://securityreason.com/securityalert/8369
Common Vulnerability Exposure (CVE) ID: CVE-2011-1936
http://www.openwall.com/lists/oss-security/2011/07/07/3
Common Vulnerability Exposure (CVE) ID: CVE-2011-2022
BugTraq ID: 47843
http://www.securityfocus.com/bid/47843
Common Vulnerability Exposure (CVE) ID: CVE-2011-2213
HPdes Security Advisory: HPSBGN02970
http://marc.info/?l=bugtraq&m=139447903326211&w=2
http://article.gmane.org/gmane.linux.network/197208
http://article.gmane.org/gmane.linux.network/197206
http://article.gmane.org/gmane.linux.network/197386
http://article.gmane.org/gmane.linux.network/198809
http://www.openwall.com/lists/oss-security/2011/06/20/1
http://www.openwall.com/lists/oss-security/2011/06/20/13
http://www.openwall.com/lists/oss-security/2011/06/20/16
Common Vulnerability Exposure (CVE) ID: CVE-2011-2492
http://permalink.gmane.org/gmane.linux.bluez.kernel/12909
http://www.openwall.com/lists/oss-security/2011/06/24/2
http://www.openwall.com/lists/oss-security/2011/06/24/3
http://securitytracker.com/id?1025778
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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