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Test ID:1.3.6.1.4.1.25623.1.0.72549
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:1430
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2012:1430.

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issue:

* A flaw was found in the way socket buffers (skb) requiring TSO (TCP
segment offloading) were handled by the sfc driver. If the skb did not fit
within the minimum-size of the transmission queue, the network card could
repeatedly reset itself. A remote attacker could use this flaw to cause a
denial of service. (CVE-2012-3412, Important)

Red Hat would like to thank Ben Hutchings of Solarflare (tm) for reporting
this issue.

This update also fixes the following bugs:

* In the hpet_next_event() function, an interrupt could have occurred
between the read and write of the HPET (High Precision Event Timer) and the
value of HPET_COUNTER was then beyond that being written to the comparator
(HPET_Tn_CMP). Consequently, the timers were overdue for up to several
minutes. Now, a comparison is performed between the value of the counter
and the comparator in the HPET code. If the counter is beyond the
comparator, the -ETIME error code is returned, which fixes this bug.
(BZ#855280)

* Traffic to the NFS server could trigger a kernel oops in the
svc_tcp_clear_pages() function. The source code has been modified, and the
kernel oops no longer occurs in this scenario. (BZ#856104)

* A kernel oops occurred in the nf_nat code when a bogus pointer was
dereferenced in the nf_conn_nat structure. Consequently, if Source Network
Address Translation (SNAT) was performed, incorrect information could be
received by other CTS (Clear to Send) signals. A conntrack entry is now
placed in the source hash after SNAT has been completed, which prevents the
described problems. (BZ#865714)

Users should upgrade to these updated packages, which contain backported
patches to resolve these issues. The system must be rebooted for this
update to take effect.

Solution:
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

http://rhn.redhat.com/errata/RHSA-2012-1430.html

Risk factor : High

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-3412
http://www.openwall.com/lists/oss-security/2012/08/03/4
RedHat Security Advisories: RHSA-2012:1323
http://rhn.redhat.com/errata/RHSA-2012-1323.html
RedHat Security Advisories: RHSA-2012:1324
http://rhn.redhat.com/errata/RHSA-2012-1324.html
RedHat Security Advisories: RHSA-2012:1347
http://rhn.redhat.com/errata/RHSA-2012-1347.html
RedHat Security Advisories: RHSA-2012:1375
http://rhn.redhat.com/errata/RHSA-2012-1375.html
RedHat Security Advisories: RHSA-2012:1401
http://rhn.redhat.com/errata/RHSA-2012-1401.html
RedHat Security Advisories: RHSA-2012:1430
http://rhn.redhat.com/errata/RHSA-2012-1430.html
http://secunia.com/advisories/50633
http://secunia.com/advisories/50732
http://secunia.com/advisories/50811
http://secunia.com/advisories/51193
SuSE Security Announcement: SUSE-SU-2012:1679 (Google Search)
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
SuSE Security Announcement: openSUSE-SU-2012:1330 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
http://www.ubuntu.com/usn/USN-1567-1
http://www.ubuntu.com/usn/USN-1568-1
http://www.ubuntu.com/usn/USN-1572-1
http://www.ubuntu.com/usn/USN-1575-1
http://www.ubuntu.com/usn/USN-1577-1
http://www.ubuntu.com/usn/USN-1578-1
http://www.ubuntu.com/usn/USN-1579-1
http://www.ubuntu.com/usn/USN-1580-1
CopyrightCopyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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