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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2005:472 (kernel)

The remote host is missing updates announced in
advisory RHSA-2005:472.

The Linux kernel handles the basic functions of the operating system.

These new kernel packages contain fixes for the three security issues
described below as well as an important fix for a problem that could
lead to data corruption on x86-architecture SMP systems with greater
than 4GB of memory through heavy usage of multi-threaded applications.

A flaw between execve() syscall handling and core dumping of ELF-format
executables allowed local unprivileged users to cause a denial of
service (system crash) or possibly gain privileges. The Common
Vulnerabilities and Exposures project has assigned the name CVE-2005-1263
to this issue.

A flaw in shared memory locking allowed local unprivileged users to lock
and unlock regions of shared memory segments they did not own (CVE-2005-0176).

A flaw in the locking of SysV IPC shared memory regions allowed local
unprivileged users to bypass their RLIMIT_MEMLOCK resource limit

Note: The kernel-unsupported package contains various drivers and modules
that are unsupported and therefore might contain security problems that
have not been addressed.

All Red Hat Enterprise Linux 3 users are advised to upgrade their
kernels to the packages associated with their machine architectures
and configurations as listed in this erratum.

Please also consult the RHEL3 Update 5 advisory RHSA-2005:294 for the
complete list of features added and bugs fixed in U5, which was released
only a week prior to this security update.

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

Risk factor : High

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2004-0491
BugTraq ID: 13769
SGI Security Advisory: 20060402-01-U
Common Vulnerability Exposure (CVE) ID: CVE-2005-0176
BugTraq ID: 12598
Bugtraq: 20050215 [USN-82-1] Linux kernel vulnerabilities (Google Search)
Conectiva Linux advisory: CLA-2005:930
Common Vulnerability Exposure (CVE) ID: CVE-2005-1263
BugTraq ID: 13589
Bugtraq: 20050511 Linux kernel ELF core dump privilege elevation (Google Search)
CopyrightCopyright (c) 2005 E-Soft Inc.

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