This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated kernel packages that fix multiple security issues, several
bugs, and add various enhancements are now available for Red Hat
Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
The kernel packages contain the Linux kernel, the core of any Linux
This update fixes the following security issues :
* Numerous reference count leaks were found in the Linux kernel's
block layer I/O context handling implementation. This could allow a
local, unprivileged user to cause a denial of service. (CVE-2012-0879,
* A flaw was found in the Linux kernel's cifs_lookup() implementation.
POSIX open during lookup should only be supported for regular files.
When non-regular files (for example, a named (FIFO) pipe or other
special files) are opened on lookup, it could cause a denial of
service. (CVE-2012-1090, Moderate)
* It was found that the Linux kernel's register set (regset) common
infrastructure implementation did not check if the required get and
set handlers were initialized. A local, unprivileged user could use
this flaw to cause a denial of service by performing a register set
operation with a ptrace() PTRACE_SETREGSET or PTRACE_GETREGSET
request. (CVE-2012-1097, Moderate)
Red Hat would like to thank H. Peter Anvin for reporting
This update also fixes several bugs and adds various enhancements.
Documentation for these changes will be available shortly from the
Technical Notes document linked to in the References section.
Users should upgrade to these updated packages, which contain
backported patches to correct these issues, and fix the bugs and add
the enhancements noted in the Technical Notes. The system must be
rebooted for this update to take effect.
See also :
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
CVSS Temporal Score : 6.3
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 58773 ()
Bugtraq ID: 521525219752274
CVE ID: CVE-2012-0879CVE-2012-1090CVE-2012-1097
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