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Test ID:1.3.6.1.4.1.25623.1.0.66668
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2009:1587
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2009:1587.

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

This update fixes the following security issues:

* a system with SELinux enforced was more permissive in allowing local
users in the unconfined_t domain to map low memory areas even if the
mmap_min_addr restriction was enabled. This could aid in the local
exploitation of NULL pointer dereference bugs. (CVE-2009-2695, Important)

* a NULL pointer dereference flaw was found in each of the following
functions in the Linux kernel: pipe_read_open(), pipe_write_open(), and
pipe_rdwr_open(). When the mutex lock is not held, the i_pipe pointer could
be released by other processes before it is used to update the pipe's
reader and writer counters. This could lead to a local denial of service or
privilege escalation. (CVE-2009-3547, Important)

This update also fixes the following bugs:

* a caching bug in nfs_readdir() has been resolved. This may have caused
parts of directory listings to become stale, as they came from cached data
when they should not have, possibly causing NFS clients to see duplicate
files or not see all files in a directory. (BZ#526959)

* a bug prevented the pciehp driver from detecting PCI Express hot plug
slots on some systems. (BZ#530381)

* when a process attempted to read from a page that had first been accessed
by writing to part of it (via write(2)), the NFS client needed to flush the
modified portion of the page out to the server, and then read the entire
page back in. This flush caused performance issues. (BZ#521243)

* a deadlock was found in the cciss driver. In rare cases, this caused an
NMI lockup during boot. Messages such as cciss: controller cciss[x]
failed, stopping. and cciss[x]: controller not responding. may have been
displayed on the console. (BZ#525728)

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-2009-1587.html
http://www.redhat.com/security/updates/classification/#important
http://kbase.redhat.com/faq/docs/DOC-18042
http://kbase.redhat.com/faq/docs/DOC-20481

Risk factor : High

CVSS Score:
7.2

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-2695
BugTraq ID: 36051
http://www.securityfocus.com/bid/36051
Debian Security Information: DSA-2005 (Google Search)
http://www.debian.org/security/2010/dsa-2005
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html
http://twitter.com/spendergrsec/statuses/3303390960
http://www.openwall.com/lists/oss-security/2009/08/17/4
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7144
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9882
RedHat Security Advisories: RHSA-2009:1540
https://rhn.redhat.com/errata/RHSA-2009-1540.html
RedHat Security Advisories: RHSA-2009:1548
https://rhn.redhat.com/errata/RHSA-2009-1548.html
http://www.redhat.com/support/errata/RHSA-2009-1672.html
http://secunia.com/advisories/36501
http://secunia.com/advisories/37105
http://secunia.com/advisories/38794
http://secunia.com/advisories/38834
http://www.ubuntu.com/usn/USN-852-1
http://www.vupen.com/english/advisories/2010/0528
Common Vulnerability Exposure (CVE) ID: CVE-2009-3547
BugTraq ID: 36901
http://www.securityfocus.com/bid/36901
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-November/msg00190.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:329
http://lkml.org/lkml/2009/10/14/184
http://lkml.org/lkml/2009/10/21/42
http://marc.info/?l=oss-security&m=125724568017045&w=2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11513
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7608
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9327
RedHat Security Advisories: RHSA-2009:1541
https://rhn.redhat.com/errata/RHSA-2009-1541.html
RedHat Security Advisories: RHSA-2009:1550
https://rhn.redhat.com/errata/RHSA-2009-1550.html
http://secunia.com/advisories/37351
http://secunia.com/advisories/38017
SuSE Security Announcement: SUSE-SA:2009:054 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
SuSE Security Announcement: SUSE-SA:2009:056 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
SuSE Security Announcement: SUSE-SA:2010:001 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
SuSE Security Announcement: SUSE-SA:2010:012 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
http://www.ubuntu.com/usn/usn-864-1
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