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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2009:0473
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.

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

CVSS Score:

CVSS Vector:

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)
Debian Security Information: DSA-1787 (Google Search)
Debian Security Information: DSA-1794 (Google Search)
RedHat Security Advisories: RHSA-2009:0459
RedHat Security Advisories: RHSA-2009:0473
Common Vulnerability Exposure (CVE) ID: CVE-2009-0787
BugTraq ID: 34216
XForce ISS Database: linux-kernel-ecryptfs-information-disclosure(49355)
Common Vulnerability Exposure (CVE) ID: CVE-2009-0834
BugTraq ID: 33951
Bugtraq: 20090516 rPSA-2009-0084-1 kernel (Google Search)
Debian Security Information: DSA-1800 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:028 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:030 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:031 (Google Search)
XForce ISS Database: linux-kernel-auditsyscallentry-sec-bypass(49061)
Common Vulnerability Exposure (CVE) ID: CVE-2009-1336
BugTraq ID: 34390
Common Vulnerability Exposure (CVE) ID: CVE-2009-1337
BugTraq ID: 34405
Bugtraq: 20100625 VMSA-2010-0010 ESX 3.5 third party update for Service Console kernel (Google Search)
RedHat Security Advisories: RHSA-2009:1550
SuSE Security Announcement: SUSE-SA:2009:032 (Google Search)
CopyrightCopyright (c) 2009 E-Soft Inc.

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