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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2007:0936

The remote host is missing updates announced in
advisory RHSA-2007:0936.

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

A flaw was found in the IA32 system call emulation provided on AMD64 and
Intel 64 platforms. An improperly validated 64-bit value could be stored in
the %RAX register, which could trigger an out-of-bounds system call table
access. An untrusted local user could exploit this flaw to run code in the
kernel (ie a root privilege escalation). (CVE-2007-4573).

Red Hat would like to thank Wojciech Purczynski for reporting this issue.

Red Hat Enterprise Linux 5 users are advised to upgrade to these packages,
which contain a backported patch to correct this issue.

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-2007-4573
BugTraq ID: 25774
Bugtraq: 20070924 COSEINC Linux Advisory #2: IA32 System Call Emulation Vulnerability (Google Search)
Bugtraq: 20070926 Re: COSEINC Linux Advisory #2: IA32 System CallEmulation Vulnerability (Google Search)
Debian Security Information: DSA-1378 (Google Search)
Debian Security Information: DSA-1381 (Google Search)
Debian Security Information: DSA-1504 (Google Search)
SuSE Security Announcement: SUSE-SA:2007:053 (Google Search)
SuSE Security Announcement: SUSE-SA:2007:064 (Google Search)
CopyrightCopyright (c) 2007 E-Soft Inc.

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