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The remote Red Hat host is missing one or more security updates.
Updated kernel packages that fix several security issues in the Red
Hat Enterprise Linux 3 kernel are now available.
This security advisory has been rated as having important security
impact by the Red Hat Security Response Team.
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
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.
See also :
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
Family: Red Hat Local Security Checks
Nessus Plugin ID: 18389 ()
CVE ID: CVE-2004-0491CVE-2005-0176CVE-2005-1263
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