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The remote Red Hat host is missing one or more security updates.
Updated kernel packages that fix multiple security issues and several
bugs are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
Important 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
* A buffer overflow flaw was found in the way the qeth_snmp_command()
function in the Linux kernel's QETH network device driver
implementation handled SNMP IOCTL requests with an out-of-bounds
length. A local, unprivileged user could use this flaw to crash the
system or, potentially, escalate their privileges on the system.
* A flaw was found in the way the get_dumpable() function return value
was interpreted in the ptrace subsystem of the Linux kernel. When
'fs.suid_dumpable' was set to 2, a local, unprivileged local user
could use this flaw to bypass intended ptrace restrictions and obtain
potentially sensitive information. (CVE-2013-2929, Low)
* It was found that certain protocol handlers in the Linux kernel's
networking implementation could set the addr_len value without
initializing the associated data structure. A local, unprivileged user
could use this flaw to leak kernel stack memory to user space using
the recvmsg, recvfrom, and recvmmsg system calls (CVE-2013-7263,
This update also fixes several bugs. Documentation for these changes
will be available shortly from the Technical Notes document linked to
in the References section.
All kernel users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues. The system
must be rebooted for this update to take effect.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 6.9
CVSS Temporal Score : 6.0
Public Exploit Available : false
Family: Red Hat Local Security Checks
Nessus Plugin ID: 72454 ()
Bugtraq ID: 63890641116467764686
CVE ID: CVE-2013-2929CVE-2013-6381CVE-2013-7263CVE-2013-7265
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