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Test ID:1.3.6.1.4.1.25623.1.0.63947
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2009:0473
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates to the kernel announced in
advisory RHSA-2009:0473.

This update fixes the following security issues:

* a logic error was found in the do_setlk() function of the Linux kernel
Network File System (NFS) implementation. If a signal interrupted a lock
request, the local POSIX lock was incorrectly created. This could cause a
denial of service on the NFS server if a file descriptor was closed before
its corresponding lock request returned. (CVE-2008-4307, Important)

* a deficiency was found in the Linux kernel system call auditing
implementation on 64-bit systems. This could allow a local, unprivileged
user to circumvent a system call audit configuration, if that configuration
filtered based on the syscall number or arguments.
(CVE-2009-0834, Important)

* the exit_notify() function in the Linux kernel did not properly reset the
exit signal if a process executed a set user ID (setuid) application before
exiting. This could allow a local, unprivileged user to elevate their
privileges. (CVE-2009-1337, Important)

* a flaw was found in the ecryptfs_write_metadata_to_contents() function of
the Linux kernel eCryptfs implementation. On systems with a 4096 byte
page-size, this flaw may have caused 4096 bytes of uninitialized kernel
memory to be written into the eCryptfs file headers, leading to an
information leak. Note: Encrypted files created on systems running the
vulnerable version of eCryptfs may contain leaked data in the eCryptfs file
headers. This update does not remove any leaked data. Refer to the
Knowledgebase article in the References section for further information.
(CVE-2009-0787, Moderate)

* the Linux kernel implementation of the Network File System (NFS) did not
properly initialize the file name limit in the nfs_server data structure.
This flaw could possibly lead to a denial of service on a client mounting
an NFS share. (CVE-2009-1336, Moderate)

For additional details on bugs fixed in this update, please visit
the referenced security advisories.

Users should upgrade to these updated packages, which contain backported
patches to correct these issues. 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-2009-0473.html
http://www.redhat.com/security/updates/classification/#important
http://kbase.redhat.com/faq/docs/DOC-16748

CVSS Score:
4.9

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2008-4307
Bugtraq: 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (Google Search)
http://www.securityfocus.com/archive/1/507985/100/0/threaded
Debian Security Information: DSA-1787 (Google Search)
http://www.debian.org/security/2009/dsa-1787
Debian Security Information: DSA-1794 (Google Search)
http://www.debian.org/security/2009/dsa-1794
http://openwall.com/lists/oss-security/2009/01/13/1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7728
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9233
http://www.redhat.com/support/errata/RHSA-2009-0451.html
RedHat Security Advisories: RHSA-2009:0459
http://rhn.redhat.com/errata/RHSA-2009-0459.html
RedHat Security Advisories: RHSA-2009:0473
http://rhn.redhat.com/errata/RHSA-2009-0473.html
http://secunia.com/advisories/34917
http://secunia.com/advisories/34962
http://secunia.com/advisories/34981
http://secunia.com/advisories/35011
http://secunia.com/advisories/35015
http://secunia.com/advisories/37471
http://www.ubuntu.com/usn/usn-751-1
http://www.vupen.com/english/advisories/2009/3316
Common Vulnerability Exposure (CVE) ID: CVE-2009-0787
BugTraq ID: 34216
http://www.securityfocus.com/bid/34216
http://osvdb.org/52860
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11068
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8319
http://www.securitytracker.com/id?1022177
http://secunia.com/advisories/34422
http://www.vupen.com/english/advisories/2009/0802
XForce ISS Database: linux-kernel-ecryptfs-information-disclosure(49355)
https://exchange.xforce.ibmcloud.com/vulnerabilities/49355
Common Vulnerability Exposure (CVE) ID: CVE-2009-0834
BugTraq ID: 33951
http://www.securityfocus.com/bid/33951
Bugtraq: 20090516 rPSA-2009-0084-1 kernel (Google Search)
http://www.securityfocus.com/archive/1/503610/100/0/threaded
Debian Security Information: DSA-1800 (Google Search)
http://www.debian.org/security/2009/dsa-1800
http://www.mandriva.com/security/advisories?name=MDVSA-2009:118
http://scary.beasts.org/security/CESA-2009-001.html
http://marc.info/?l=linux-kernel&m=123579056530191&w=2
http://marc.info/?l=linux-kernel&m=123579065130246&w=2
http://marc.info/?l=oss-security&m=123597642832637&w=2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8508
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9600
http://www.securitytracker.com/id?1022153
http://secunia.com/advisories/34084
http://secunia.com/advisories/35120
http://secunia.com/advisories/35121
http://secunia.com/advisories/35185
http://secunia.com/advisories/35390
http://secunia.com/advisories/35394
SuSE Security Announcement: SUSE-SA:2009:028 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
SuSE Security Announcement: SUSE-SA:2009:030 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
SuSE Security Announcement: SUSE-SA:2009:031 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
XForce ISS Database: linux-kernel-auditsyscallentry-sec-bypass(49061)
https://exchange.xforce.ibmcloud.com/vulnerabilities/49061
Common Vulnerability Exposure (CVE) ID: CVE-2009-1336
BugTraq ID: 34390
http://www.securityfocus.com/bid/34390
http://www.openwall.com/lists/oss-security/2009/04/06/1
http://www.openwall.com/lists/oss-security/2009/04/17/2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10859
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8495
http://www.redhat.com/support/errata/RHSA-2009-1024.html
http://www.redhat.com/support/errata/RHSA-2009-1077.html
http://www.securitytracker.com/id?1022176
http://secunia.com/advisories/35160
http://secunia.com/advisories/35324
http://secunia.com/advisories/35656
http://www.ubuntu.com/usn/usn-793-1
Common Vulnerability Exposure (CVE) ID: CVE-2009-1337
BugTraq ID: 34405
http://www.securityfocus.com/bid/34405
Bugtraq: 20100625 VMSA-2010-0010 ESX 3.5 third party update for Service Console kernel (Google Search)
http://www.securityfocus.com/archive/1/512019/100/0/threaded
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:119
http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
http://marc.info/?l=linux-kernel&m=123560588713763&w=2
http://www.openwall.com/lists/oss-security/2009/04/07/1
http://www.openwall.com/lists/oss-security/2009/04/17/3
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10919
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11206
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8295
RedHat Security Advisories: RHSA-2009:1550
https://rhn.redhat.com/errata/RHSA-2009-1550.html
http://www.securitytracker.com/id?1022141
http://secunia.com/advisories/35226
http://secunia.com/advisories/35387
SuSE Security Announcement: SUSE-SA:2009:032 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
CopyrightCopyright (c) 2009 E-Soft Inc. http://www.securityspace.com

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